🌗Color Contrast Checker
WCAG contrast ratio for text colors.
About Color Contrast Checker
Check the contrast ratio between a text and background color and see whether it passes WCAG AA and AAA accessibility standards. Free online color contrast checker.
🔒 Private by design — this tool runs entirely in your browser. Nothing you enter is uploaded to a server.
Frequently asked questions
What is a good contrast ratio?＋
WCAG recommends at least 4.5:1 for normal text (AA) and 7:1 for AAA. The tool shows pass/fail for each level.