Contrast Checker
Check color contrast ratios for WCAG accessibility compliance
Colors
Preview
Sample Heading
This is normal text (16px) to test readability and contrast.
This is large text (18px+) which has different WCAG requirements.
Contrast Results
21:1
Normal Text
AAA
Large Text
AAA
WCAG Guidelines
AA (Minimum)
Normal text: 4.5:1 | Large text: 3:1
AAA (Enhanced)
Normal text: 7:1 | Large text: 4.5:1
Large text is defined as 18pt+ or 14pt+ bold