Colors
Contrast Checker
Check text and background contrast against WCAG AA and AAA thresholds. — 100% browser-side, no server upload, works offline.
Accessibility utility
WCAG guidanceCheck color contrast
#000000
#FFFFFF
Aa
- Normal text AA
- Pass
- Large text AA
- Pass
- Normal text AAA
- Pass
- Large text AAA
- Pass
Read the guide
How to Check Color Contrast for Accessibility
A contrast ratio gives you a quick signal about whether text and its background have enough separation. Check the pair locally, review the AA and AAA results, then test the complete interface in context.
Read the guide →