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WCAG Contrast Checker

Test if text color passes WCAG Accessibility (AA/AAA) standards on a background.

Contrast Ratio
21.00:1

Excellent contrast! Meets AAA standards.

Large Text Preview

This is a preview of normal body text at 16px. The contrast checker ensures everyone can read your design comfortably.

WCAG AA (Normal Text 14pt)✓ PASS
WCAG AA (Large Text 18pt+)✓ PASS
WCAG AAA (Normal Text 14pt)✓ PASS
WCAG AAA (Large Text 18pt+)✓ PASS

* AA requires 4.5:1 for normal text and 3:1 for large text. AAA requires 7:1 for normal text and 4.5:1 for large text.

What is WCAG Contrast Checker?

The WCAG Contrast checker helps you ensure your website colors are accessible for everyone. It helps you meet official standards so your text is easy to read.

How to Use WCAG Contrast Checker

  1. Enter your Foreground (text) and Background HEX codes.
  2. Check the AA and AAA pass/fail status for different text sizes.
  3. Use the color picker to adjust colors until they pass standards.
  4. Read the contrast ratio to ensure full web accessibility.

Use WCAG Contrast Checker Online Instantly

Use this Wcag Contrast online directly in your browser without installing anything. Just pick your foreground and background colors and get results instantly. No signup required and works on all devices.

Why Use This WCAG Contrast Checker?

  • Save enormous time executing WCAG Contrast Checker processes
  • Avoid installing bloated, unsafe third-party software
  • Ensure absolute data privacy via local browser processing
  • Integrate seamlessly into professional developer or creator workflows

Features

Core Features

  • Works directly in your browser
  • No installation required
  • Free and easy to use
  • Your data stays on your device

WCAG Contrast Checker Features

  • Check color contrast ratios
  • WCAG AA and AAA checking
  • Live preview on text
  • Accessibility score report

Common Errors and Fixes

  • Incorrect hex values → Ensure you include the '#' symbol if you are pasting codes from other design tools.
  • Failing 'Large Text' vs 'Normal' → Understand that requirements are stricter for small body text than headings.
  • Background is a gradient → Test both the light and dark parts of your gradient to ensure full accessibility.
  • Ratio not updating → Click outside the hex input field to trigger the live contrast calculation engine.

Supported Formats / Use Cases

Supported Formats

  • AA Score
  • AAA Score
  • Ratio Numbers

Use Cases

  • Ensuring your website is readable and inclusive for all
  • Meeting legal accessibility standards for web projects
  • Optimizing UI colors for better legibility and reach

FAQs

Is this WCAG Contrast Checker free to use?

Yes, this tool is 100% free with no hidden charges. You can use all its features without paying anything.

Does this WCAG Contrast Checker store my data?

No, we never save your information. The tool runs locally in your browser using JavaScript, ensuring your data stays private.

How do I use WCAG Contrast Checker?

Simply enter your foreground and background colors and the results will be generated instantly right below. It is designed to be fast and easy for everyone.

What can I use WCAG Contrast Checker for?

It is ideal for creating modern UI mockups, checking accessibility contrast, or generating CSS gradients. Writers, developers, students, and creators use it daily to speed up their workflow.

Who Can Use This Tool?

  • Accessibility specialists verifying compliance
  • UI/UX designers building inclusive sites
  • Frontend developers testing color pairs
  • Compliance officers auditing site health

Conclusion

This Wcag Contrast helps you check text accessibility against background colors quickly and easily. Just use the tool and get instant results without any setup. This ensures your website is readable for everyone.

100% Private — Your Data Never Leaves Your Browser

Design generation is handled entirely on your device. Your creative assets and choices stay secure in your browser. Unlike other online tools, we prioritize your security by ensuring that none of your data is transmitted to an external server. You can use this tool safely even in environments with strict data privacy requirements.