Color Contrast Checker
Check WCAG contrast ratios for accessibility
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How to Use Color Contrast Checker
Step 1
Enter your data or upload your file
Step 2
Configure settings if needed
Step 3
Get your results instantly
Lightning Fast
Instant results without any waiting.
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All processing in your browser.
Completely Free
No registration, no fees, no limits.
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Frequently Asked Questions
What WCAG levels are checked?▼
We check against WCAG 2.1 AA and AAA requirements for both normal and large text.