Color Contrast Checker
Check WCAG contrast ratio between any two colors online, instantly. Free accessibility checker showing Pass/Fail for WCAG AA and AAA levels.
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The quick brown fox jumps over the lazy dog. Accessibility is not just a checklist, it's a way of designing for everyone, everywhere.
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About Color Contrast Checker
Check WCAG contrast ratio between any two colors — entirely in your browser. • Enter a text color and background color to see the exact contrast ratio • Instantly see Pass/Fail for WCAG AA and AAA at normal and large text sizes • Live preview shows how real text looks at that contrast • Useful for accessible web design, design systems, and color palette audits