Color Contrast Checker
Check color contrast ratios for WCAG 2.1 accessibility compliance. Ensure your text is readable.
Color Selection
Common Combinations
21.00:1
Normal text (16px)
Large text (24px or 18px bold)
WCAG 2.1 Compliance
Normal Text AA
Pass
Requires 4.5:1
Normal Text AAA
Pass
Requires 7:1
Large Text AA
Pass
Requires 3:1
Large Text AAA
Pass
Requires 4.5:1
Luminance Values
Foreground
0.0000
Background
1.0000