Color Contrast Checker
Check WCAG color contrast ratios online for accessibility compliance. Free contrast checker with AA and AAA level pass/fail results.
WCAG Compliance
Preview
Sample Heading
This is sample text to preview the color contrast. Make sure your text is readable against the background color.
Small text should also be checked for readability. WCAG AA requires a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text.
WCAG Guidelines:
- Level AA: Normal text 4.5:1, Large text 3:1
- Level AAA: Normal text 7:1, Large text 4.5:1
- Large text: 18pt+ or 14pt+ bold
About Color Contrast Checker
Check color contrast ratios for WCAG accessibility compliance. Ensure your text is readable against its background color for users with visual impairments.
How to Use Color Contrast Checker
Open Color Contrast Checker
Navigate to Color Contrast Checker in your browser — no installation or sign-up required.
Enter your data
Type, paste, or upload the content you want to process into the input area.
Configure options
Adjust any available settings to customize the output to your needs.
Get your result
The result appears instantly. Copy it to your clipboard or download it as a file.
Frequently Asked Questions
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