Color Contrast Checker
Check WCAG 2.1 color contrast compliance for web accessibility
Preview Text
This is how your text will look with the selected colors.
Contrast Results
21.00:1
Contrast Ratio
AA Normal Text
Pass (4.5:1)
AA Large Text
Pass (3:1)
AAA Normal Text
Pass (7:1)
AAA Large Text
Pass (4.5:1)
About WCAG Color Contrast
The Web Content Accessibility Guidelines (WCAG) define specific contrast ratios to ensure text is readable for people with visual impairments. Our free color contrast checker helps you verify your color combinations meet these standards.
WCAG 2.1 Conformance Levels
- AA Level: Minimum contrast ratio of 4.5:1 for normal text and 3:1 for large text
- AAA Level: Enhanced contrast ratio of 7:1 for normal text and 4.5:1 for large text
- Large Text: 18pt (24px) or 14pt (18.5px) bold and above
Why Color Contrast Matters
Good color contrast is essential for accessibility. It helps users with:
- Low vision or color blindness
- Reading difficulties
- Using devices in bright sunlight
- Older users with reduced contrast sensitivity
Use our color contrast checker to ensure your website is accessible to all users. For more information, visit the WCAG 2.1 Contrast Guidelines.