WCAG Color Contrast Checker

Free color contrast checker to verify WCAG compliance. Also a reliable colour contrast checker, it calculates contrast ratios instantly. This color accessibility checker ensures your designs meet AA and AAA standards.

Aa
#000000
RGB: 0, 0, 0HSL: 0, 0%, 0%
#
#
AA AAA
Sample text for contrast check

Contrast Ratio

21.00:1

WCAG Compliance

Meets standard Does not meet standard
  • AA Large Text (3:1)
  • AA Normal Text (4.5:1)
  • AAA Large Text (4.5:1)
  • AAA Normal Text (7:1)

Suggestions

  • This color combination meets all WCAG contrast requirements.

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What is Color Contrast?

Color contrast refers to the difference in luminance between text and its background. Our color contrast checker (also a colour contrast checker) helps you verify WCAG compliance and create accessible color combinations. This wcag contrast checker and color accessibility checker ensures content is readable for all users, including those with visual impairments or color blindness.

Our WCAG color contrast checker verifies AA and AAA standards, making it the perfect color accessibility checker for inclusive design.

🎯 WCAG AA & AAA Standards - Ensure compliance with accessibility guidelines
📊 Precise Contrast Ratio - Calculate exact luminance differences
⚡ Instant Validation - Real-time compliance checking for all text sizes

Why Choose Our WCAG Color Contrast Checker?

Our WCAG color contrast checker (also a complete colour contrast checker) helps you create accessible, WCAG-compliant color combinations with professional analysis. This color accessibility checker works directly in your browser, free and with no installation required.

It provides comprehensive contrast validation for both normal and large text, with clear pass/fail indicators for AA and AAA standards. A true wcag contrast checker you can rely on.

WCAG Requirements
AA Standard (Normal Text)4.5:1 contrast ratio minimum
AAA Standard (Normal Text)7:1 contrast ratio minimum
AA Standard (Large Text)3:1 contrast ratio minimum
AAA Standard (Large Text)4.5:1 contrast ratio minimum
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How to Use Our WCAG Color Contrast Checker?

1
Enter color values

Input hex codes into this colour contrast checker for foreground (text) and background colors, or use the color pickers to select colors visually.

2
View contrast ratio

Instantly see the calculated contrast ratio in this color accessibility checker between your selected colors.

3
Check WCAG compliance

Review validation results in this wcag contrast checker for both AA and AAA standards, for normal and large text sizes.

4
Adjust and optimize

Modify colors until they meet desired accessibility standards, verified by this wcag color contrast checker.

5
Copy results

Copy color values and contrast information from this color accessibility checker for use in your design documentation.

Core Features

📊Precise contrast ratio calculation between any two colors
WCAG AA and AAA compliance validation for all text sizes
🎨Visual color preview with real-time text rendering
📋One-click copy of hex codes and contrast results
🔄Random color generator for testing different combinations
📝Clear pass/fail indicators for accessibility standards

Trusted by Designers Worldwide
Ensuring accessibility for millions of users

100K+
Monthly Active Users
2+
WCAG Standards Supported
500K+
Contrast Checks Performed
4.9
User Rating (⭐ 3,000+ reviews)

What Our Users Say

Frequently Asked Questions

What is color contrast and why does it matter?+
What are WCAG AA and AAA standards?+
What is considered "large text" for WCAG?+
Can I use these colors commercially?+
Do I need to create an account?+

Create Accessible Designs with Our Color Contrast Checker

Use this WCAG color contrast checker and colour contrast checker to ensure your colors meet WCAG standards for all users

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