KERVONI · FREE TOOL
Color Contrast Checker
Check opaque text and background colors against WCAG contrast thresholds.
Free browser processing. Your input is not uploaded.
WCAG AA: 4.5:1 for normal text, 3:1 for large text; AAA: 7:1 and 4.5:1. Large means at least 18 pt or 14 pt bold. Checks contrast, not overall accessibility.
Save this page in your browser bookmarks to use it again.
About this tool
Check opaque text and background colors against WCAG contrast thresholds. WCAG AA: 4.5:1 for normal text, 3:1 for large text; AAA: 7:1 and 4.5:1. Large means at least 18 pt or 14 pt bold. Checks contrast, not overall accessibility.
Free without an accountLocal browser processingNo input upload