Contrast Checker — WCAG Color Contrast
Use this free tool to check color contrast against WCAG AA/AAA — pick text and background colors and see the ratio and pass/fail instantly. In your browser.
The quick brown fox jumps over the lazy dog.
The quick brown fox jumps over the lazy dog.
14.63:1
Contrast ratio
Normal text✓ AA Pass✓ AAA Pass
Large text✓ AA Pass✓ AAA Pass
- Check color contrast against WCAG AA and AAA
- See pass/fail for normal and large text
- Live preview of your text and background
- Runs 100% in your browser — nothing is uploaded
- Free, no sign-up, no limits