MagicKit.ai

WCAG Contrast Checker

Free WCAG contrast checker. Test color combinations for accessibility compliance. Check AA and AAA conformance levels for text and UI components.

How to Check Color Contrast for Accessibility

  1. 1 Enter or pick a foreground (text) color
  2. 2 Enter or pick a background color
  3. 3 View the calculated contrast ratio
  4. 4 Check WCAG AA and AAA compliance levels
  5. 5 Preview how text looks with your colors
  6. 6 Use suggested improvements if contrast fails

Frequently Asked Questions

Is my code or data stored anywhere? ▼

No. All developer tools process data locally in your browser. Nothing is sent to any server or logged.

Can I use these tools offline? ▼

Yes! After the initial page load, most developer tools work without an internet connection.

Are there API limits? ▼

No limits. Since processing happens in your browser, you can use the tools as much as you need.

Is the output compatible with production use? ▼

Yes. Our tools produce standard-compliant output suitable for production environments.

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Last updated: January 15, 2026 · v2.1