Free tool

Color Contrast Checker

Check WCAG contrast ratios for text and backgrounds.

WCAGInstantDesign ready
  • 100% Free to use
  • No credit card required
  • Works offline in your browser

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Why it helps

Accessibility checks

See whether a color pair passes AA or AAA.

Preview

Test combinations before shipping designs.

Color

Color contrast checker

WCAG ratio

Sample text

Ratio: 17.74:1AA normal: PassAA large: PassAAA: Pass

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FAQ

Quick answers about this tool.

Is this private?

Yes. All processing happens in your browser.

Do I need an account?

No. These tools are free and work without signup.

Can I use multiple files?

Yes. Most tools support batch processing.

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