Color Contrast Checker — WCAG 2.2 Accessibility Tool

Verify color combinations against Web Content Accessibility Guidelines (WCAG) 2.2 standards. Enter text and background hex colors to calculate exact contrast ratios and ensure your buttons, links, and text pass AA and AAA compliance for all users across desktop and mobile devices.

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Contrast Demo

This is how your text will look to users.

4.70:1
Contrast Ratio
PASS
WCAG AA Standard

Why Accessibility Matters in Marketing

If users can't read your call-to-action buttons due to poor contrast, they won't click them. Always aim for a contrast ratio of at least 4.5:1 to ensure readability across all screens and vision types.

How to Use

  1. 1Enter your foreground text color and background color hex codes.
  2. 2Review the calculated contrast ratio (e.g. 7.5:1).
  3. 3Check pass/fail indicators for normal text, large text, and UI components.

Common Use Cases

  • ✓

    Auditing website button and link accessibility for ADA and WCAG compliance.

  • ✓

    Selecting brand color palette combinations for digital design systems.

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    Ensuring mobile app interfaces remain legible in bright sunlight.

Got Questions?

Frequently Asked Questions

What contrast ratio is required for WCAG AA compliance?
Normal text requires at least 4.5:1 contrast, while large text (18pt+ or bold 14pt+) requires at least 3.0:1.
What is the difference between AA and AAA levels?
AA is the legal benchmark for most digital accessibility laws; AAA is the strictest enhanced standard (7:1 for normal text).
Does the tool support RGB and HSL inputs?
Yes, you can input Hex, RGB, or HSL color values.

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