# Checkout.com design system

> Checkout.com design system measured from checkout.com: Inter font, #186AFF primary on #000000, 7 color hex codes, type scale, spacing and a free DESIGN.md.

Canonical page: https://sitepeel.dev/design-md/checkout.com/

Checkout.com’s website (checkout.com) uses the Inter font and #186AFF as its main color on a black background. Measured by Sitepeel on November 4, 2026.

## What font does Checkout.com use?

Checkout.com uses Inter (weights 400 and 500), with Checkout Apercu SemiMono for code on checkout.com. Page titles are 80px at weight 700 (40px on phones) and body text is 18px. Measured on November 4, 2026.

- Checkout Apercu SemiMono (weights 700)
- Inter (weights 400, 500)

## Checkout.com colors: palette and hex codes

Checkout.com’s main colors are #000000 (near black) for the background, #FFFFFF (white) for text and #186AFF (vivid blue) as the main accent, with #006CFF (vivid blue) as another accent. Measured on November 4, 2026.

- #000000: near black
- #FFFFFF: white
- #181818: charcoal
- #272932: cool graphite
- #186AFF: vivid blue
- #006CFF: vivid blue

## What is Checkout.com built with?

Checkout.com’s website (checkout.com) is built with Webflow, jQuery, Swiper, Cloudflare and GSAP. Measured on November 4, 2026.

- JavaScript framework: jQuery 3.5.1
- Animation & 3D: GSAP 3.12.2, GSAP Observer 3.12.5, GSAP ScrollTrigger 3.12.5, Lottie
- Hosting & CDN: Cloudflare
- Site builder & CMS: Webflow
- UI & CSS: Swiper 12.2.0
- Media: Vimeo

## Questions and answers

### What font does Checkout.com use?

Checkout.com’s website uses Inter (weights 400 and 500), with Checkout Apercu SemiMono for code. Page titles are 80px at weight 700 (40px on phones) and body text is 18px. Measured on November 4, 2026.

### What are the Checkout.com colors and hex codes?

On checkout.com: #000000 (near black) for the background, #FFFFFF (white) for text and #186AFF (vivid blue) as the main accent, with #006CFF (vivid blue) as another accent. The color palette above lists all 7 colors with their hex codes and where each one is used.

### What is the Checkout.com design system?

The design system on this page is checkout.com’s, as measured on November 4, 2026: Inter type, #186AFF as the main color, 24px corners and a 4px spacing grid, written down as a DESIGN.md. It is not Checkout.com’s own documentation.

### What is Checkout.com built with?

Checkout.com’s website (checkout.com) is built with Webflow, jQuery, Swiper, Cloudflare and GSAP. The full tech stack Sitepeel found: jQuery, GSAP, GSAP Observer, GSAP ScrollTrigger, Cloudflare, Webflow, Swiper, Lottie, Vimeo and Google Analytics. Measured on November 4, 2026.

### What is the Checkout.com DESIGN.md?

A plain-text file with Checkout.com’s measured colors, type, spacing, corners and components as tokens, plus short rules, in the DESIGN.md format Google published with Stitch. Your AI coding agent reads it and builds in this style. More about DESIGN.md.

### How do I use it with Claude Code or Cursor?

Download the file and put it in your project’s root folder, then ask your agent to follow DESIGN.md. Step-by-step guides: Claude Code, Cursor, Codex, GitHub Copilot.

### Is this Checkout.com’s official design system?

No. Sitepeel measured it from checkout.com’s public page on November 4, 2026. It is an independent analysis, not made or approved by Checkout.com.

### Can I use Checkout.com’s style in my own product?

Use it to learn, prototype and compare. For a real product, make the style your own, and never copy Checkout.com’s logo, name, pictures or text.

### How accurate are the values?

Each value was measured on the rendered page after it fully loaded, on desktop and mobile: colors where they appear, type with tracking, spacing, corners, shadows and hover states. Sites change, so check the date at the top.

## Files

- [DESIGN.md](https://sitepeel.dev/design-md/checkout.com/DESIGN.md): the plain file to put in your project.
- [All brand DESIGN.md files](https://sitepeel.dev/design-md/examples/index.md)

Independent analysis by Sitepeel (sitepeel.dev), not affiliated with Checkout.com.

## The DESIGN.md file

```markdown
---
version: alpha
name: Checkout.com
description: "Dark interface measured from checkout.com: Inter type, vivid blue accents, tonal surfaces and pill-shaped controls."
colors:
  background: "#000000"
  surface: "#000000"
  on-surface: "#FFFFFF"
  on-background: "#FFFFFF"
  surface-container-low: "#181818"
  surface-container: "#272932"
  primary: "#186AFF"
  on-primary: "#FFFFFF"
  secondary: "#006CFF"
typography:
  headline-display:
    fontFamily: Checkout Apercu SemiMono
    fontSize: 80px
    fontWeight: 700
    lineHeight: 0.9
  headline-lg:
    fontFamily: Inter
    fontSize: 32px
    fontWeight: 500
    lineHeight: 1.18
    letterSpacing: -0.03em
  headline-md:
    fontFamily: Inter
    fontSize: 24px
    fontWeight: 500
    lineHeight: 1.33
  body-md:
    fontFamily: Inter
    fontSize: 18px
    fontWeight: 400
    lineHeight: 1.44
  body-sm:
    fontFamily: Inter
    fontSize: 16px
    fontWeight: 400
    lineHeight: 1.5
  caption:
    fontFamily: Inter
    fontSize: 14px
    fontWeight: 400
    lineHeight: 1.71
    letterSpacing: 0.05em
  label-lg:
    fontFamily: Inter
    fontSize: 16px
    fontWeight: 500
    lineHeight: 1.37
  label-md:
    fontFamily: Inter
    fontSize: 14px
    fontWeight: 500
    lineHeight: 1.5
  label-sm:
    fontFamily: Inter
    fontSize: 11px
    fontWeight: 500
    lineHeight: 2
  code:
    fontFamily: Checkout Apercu SemiMono
    fontSize: 48px
    fontWeight: 700
    lineHeight: 0.9
    letterSpacing: -0.04em
  headline-display-mobile:
    fontFamily: Checkout Apercu SemiMono
    fontSize: 40px
    fontWeight: 700
    lineHeight: 0.9
  headline-md-mobile:
    fontFamily: Inter
    fontSize: 20px
    fontWeight: 500
    lineHeight: 1.18
rounded:
  sm: 6px
  md: 12px
  lg: 16px
  xl: 24px
  full: 9999px
spacing:
  base: 4px
  xs: 4px
  sm: 8px
  md: 16px
  lg: 24px
  xl: 40px
  gutter: 16px
  section: 80px
components:
  button-primary:
    backgroundColor: "{colors.primary}"
    textColor: "{colors.on-primary}"
    typography: "{typography.label-lg}"
    rounded: 0px
    padding: 12px 0px
    height: 48px
  button-outline:
    textColor: "{colors.on-surface}"
    typography: "{typography.label-md}"
    rounded: "{rounded.sm}"
    padding: 11px 23px
    height: 45px
  button-outline-hover:
    backgroundColor: "#F0F7FF80"
  button-ghost:
    textColor: "{colors.on-surface}"
    typography: "{typography.label-sm}"
    rounded: 0px
    padding: 1px 0px 0px 0px
  card:
    backgroundColor: "{colors.on-surface}"
    textColor: "{colors.surface-container}"
    typography: "{typography.body-md}"
    rounded: "{rounded.xl}"
    padding: 16px
  link:
    textColor: "{colors.background}"
---

# Checkout.com Design System

## Overview

Checkout.com describes itself as: “Boost your acceptance rate, cut processing costs, fight fraud, and create extraordinary customer experiences with Checkout.com's payment solutions.” The interface is dark, built on **Near Black (#000000)** with **White (#FFFFFF)** text, and **Vivid Blue (#186AFF)** as the main accent.

Type is set in **Inter**, with **Checkout Apercu SemiMono** for code. Headlines run large; body text is 18px. The surface language is flat. Controls are pill-shaped.

Measured from [checkout.com](https://www.checkout.com/) on November 4, 2026 at 1440×900 and 390×844 from 340 rendered elements. Values are computed styles from the live page, not the original source files.

## Colors

The palette has 7 roles.

- **Near Black (#000000):** Page background, seen 23 times. Token `background`, CSS `--component-library-checkout-x-flowninja-2026_theme---color--text--body--strong`.
- **White (#FFFFFF):** Primary text and headings, seen 30 times. Token `on-surface`, CSS `--rb-neutral`.
- **Charcoal (#181818):** Raised areas one step from the page, seen 1 time. Token `surface-container-low`.
- **Cool Graphite (#272932):** Cards and panels, seen 2 times. Token `surface-container`.
- **Vivid Blue (#186AFF):** Primary buttons and calls to action, seen 13 times. Token `primary`, CSS `--component-library-checkout-x-flowninja-2026_theme---color--surface--button--tertiary-hover`.
- **White (#FFFFFF):** Text and icons on primary. Token `on-primary`.
- **Vivid Blue (#006CFF):** Accent in the logo, seen 1 time. Token `secondary`.

## Typography

**Checkout Apercu SemiMono** (monospace) and **Inter** share the interface. Fallback stack: `Checkout Apercu SemiMono, Arial, sans-serif`.

- **headline-display:** Checkout Apercu SemiMono 80px at weight 700, line height 0.9, uppercase (40px on mobile). Page title (h1).
- **headline-lg:** Inter 32px at weight 500, line height 1.18, tracking -0.03em. Section headings (h2).
- **headline-md:** Inter 24px at weight 500, line height 1.33 (20px on mobile). Sub-section headings.
- **body-md:** Inter 18px at weight 400, line height 1.44. Body text.
- **body-sm:** Inter 16px at weight 400, line height 1.5. Secondary and small text.
- **caption:** Inter 14px at weight 400, line height 1.71, tracking 0.05em. Captions and fine print.
- **label-lg:** Inter 16px at weight 500, line height 1.37. Large buttons and tabs.
- **label-md:** Inter 14px at weight 500, line height 1.5. Buttons, navigation and labels.
- **label-sm:** Inter 11px at weight 500, line height 2. Small labels and badges.
- **code:** Checkout Apercu SemiMono 48px at weight 700, line height 0.9, tracking -0.04em, uppercase. Code and technical values.

## Layout

Spacing follows a 4px grid: 97% of measured gaps and paddings are multiples of 4px.

- **Scale:** xs 4px, sm 8px, md 16px, lg 24px, xl 40px.
- **Sections:** 80px vertical padding between major sections.
- **Gaps:** 16px is the most common gap in flex and grid layouts.
- **Breakpoints:** 400px, 425px, 426px, 479px, 500px, 550px, 600px, 640px, 767px, 768px, 896px, 991px, 992px, 1440px.

## Elevation & Depth

The design is flat: no shadows were measured. Hierarchy comes from tonal surface steps (#181818 → #272932).

## Shapes

Interactive controls are pill-shaped. Measured radii, most used first:

- **xl (24px):** 88 elements.
- **lg (16px):** 72 elements.
- **full (9999px):** 56 elements.
- **sm (6px):** 32 elements.
- **md (12px):** 8 elements.

## Components

Measured from the rendered page. Token values reference the tokens above.

- **button-primary (“Products”):** #186AFF fill, #FFFFFF text, 16px/500, padding 12px 0px.
- **button-outline (“Sign in”):** transparent fill, #FFFFFF text, 14px/500, 6px radius, padding 11px 23px, border 1px solid #FFFFFF.
- **button-outline-hover:** background #F0F7FF80, text #FFFFFF on hover.
- **button-ghost (“Business”):** transparent fill, #FFFFFF text, 11px/500, padding 1px 0px 0px 0px.
- **card:** #FFFFFF fill, #272932 text, 18px/400, 24px radius, padding 16px.
- **link:** transparent fill, #000000 text, padding 0px.

## Do's and Don'ts

- Do use #000000 for the page and lift surfaces in small steps: #181818, #272932.
- Do reserve #186AFF for primary actions and key highlights.
- Do keep spacing on the 4px grid.
- Do make buttons and chips fully rounded (9999px); most other elements use 24px corners.
- Don't add drop shadows for depth; use tonal surfaces.
- Don't introduce new font families beyond Checkout Apercu SemiMono and Inter.
- Don't use #186AFF for large backgrounds or body text.
- Don't make interface transitions slower than 0.3s.

## Motion

Interface transitions are quick: 0.2s, 0.3s, 0.25s, 0.1s.

- **Easing:** `ease`, `cubic-bezier(0.23, 1, 0.32, 1)`.

Generated by [Sitepeel](https://sitepeel.dev/design-md/checkout.com/), the free DESIGN.md generator (engine 2026.10.29+b828a475ee10).

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