Free Online Color Contrast Checker

Color Input
Preview

Sample Text

This is how your text will look

WCAG 2.1 Compliance Results
Contrast Ratio:0.00:1

Level AA (Minimum)

Large Text (3:1)Fail
Normal Text (4.5:1)Fail

Level AAA (Enhanced)

Large Text (4.5:1)Fail
Normal Text (7:1)Fail
About This Tool

Our free online color contrast checker helps you ensure your color combinations meet WCAG 2.1 accessibility guidelines. Perfect for web designers and developers who want to create accessible and user-friendly interfaces.

Features

  • Real-time contrast ratio calculation
  • WCAG 2.1 Level AA and AAA compliance checking
  • Live preview of color combinations
  • Support for both hex and color picker input
  • Clear pass/fail indicators for accessibility standards

How to Use

  1. Select or enter your foreground color
  2. Select or enter your background color
  3. View the live preview of the color combination
  4. Check the contrast ratio and WCAG compliance results

WCAG 2.1 Guidelines

  • Level AA (Minimum):
    • Large text: 3:1 contrast ratio
    • Normal text: 4.5:1 contrast ratio
  • Level AAA (Enhanced):
    • Large text: 4.5:1 contrast ratio
    • Normal text: 7:1 contrast ratio

Perfect For

  • Web designers
  • UI/UX designers
  • Frontend developers
  • Accessibility specialists
  • Anyone creating digital content

Tips for Best Results

  • Test both light and dark text on your background colors
  • Consider color blindness when choosing colors
  • Aim for Level AAA compliance when possible
  • Remember that contrast is just one aspect of accessibility