CContrast Checker
Runs locally in your browser. Nothing is uploaded or stored.
WCAG contrast ratio checks.
/tools/contrast-checkercolor
Contrast Checker
WCAG contrast ratio for text on background.
Preview
The quick brown fox jumps over the lazy dog.
Ratio: 17.74:1
WCAG Results
AA (Normal text): Pass (≥ 4.5)
AA (Large text): Pass (≥ 3.0)
AAA (Normal text): Pass (≥ 7.0)
AAA (Large text): Pass (≥ 4.5)