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Color Contrast Checker

Check Color Contrast

Verify accessibility compliance for text and background colors

Sample Text

What is Color Contrast Checker?

Color Contrast Checker is an accessibility tool that analyzes the contrast ratio between text and background colors to ensure readability and compliance with WCAG guidelines. It helps designers and developers create accessible designs that work for all users.

Perfect for web developers, designers, and accessibility professionals who need to ensure their color combinations meet accessibility standards and provide optimal readability.

Key Features

  • WCAG Compliance: Check contrast ratios against WCAG AA and AAA standards
  • Real-Time Analysis: Get instant feedback as you adjust colors
  • Multiple Formats: Support for HEX, RGB, and HSL color inputs
  • Accessibility Scores: Clear pass/fail indicators with specific ratio values

How to Use

  1. Enter Colors: Input your text and background colors in HEX, RGB, or HSL format
  2. View Results: See the contrast ratio and WCAG compliance status
  3. Adjust if Needed: Modify colors until you achieve the desired contrast ratio
  4. Copy Results: Use the copy button to save contrast ratio values for documentation

Common Use Cases

Web Accessibility: Ensure website text meets accessibility standards for users with visual impairments.

Design Systems: Validate color combinations in design systems and style guides for consistent accessibility.

Content Creation: Check readability of text overlays on images and graphics for presentations and marketing materials.

Tips for Best Results

Aim for WCAG AA: Target a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text.

Test Multiple Combinations: Check various color pairings to find the best balance of aesthetics and accessibility.

Consider Context: Remember that contrast requirements may vary based on font size, weight, and usage context.