WCAG Contrast Checker
Check the contrast ratio between two colors and see if the combination meets WCAG 2.1 AA or AAA accessibility standards for normal text, large text, and UI components. Useful for designers and developers.
PreviewText Preview Text
The quick brown fox jumps over the lazy dog.
Quick browncolorfox jumps over the lazy dog。
Quick browncolorfox jumps over the lazy dog。
Compare contrast
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AA Large
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AA Body
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AAA Large
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AAA Body
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Common Use Cases
Use the WCAG Contrast Checker online for these scenarios:
- Daily work:: Bookmark this tool, use directly when needed, save time
- Easy to use:: Runs in web browser, no software installation needed
- Data safety:: All processing in your local browser, files not uploaded to server
- Free to use:: Completely free, no signup, no watermarks, no feature limits
- Cross-platform: Mac, Windows, Linux, mobile all work, just need a browser
Frequently Asked Questions
Here are the most common questions:
Q: Is this tool safe?
A: Yes. 100% client-side, data not uploaded, disappears when page closes.
Q: Do I need to register?
A: No. No login, no account, use directly.
Q: Are there usage limits?
A: No. Completely free, unlimited use.
Q: Does it support mobile?
A: Yes. All modern browsers work, including mobile.
Related Tutorials
Want to learn more about WCAG Contrast Checker? Check out these tutorials: