Advanced Color Contrast Checker

Check Color Contrast
Ensure your color combinations meet WCAG standards for readability and accessibility.

Step 1: Choose Your Colors

Step 2: Select Text Type

Normal Text
Regular body text and small UI text elements

WCAG 1.4.3:

  • AA: 4.5:1 minimum
  • AAA: 7:1 minimum
Large Text
18pt+ or 14pt+ bold text

WCAG 1.4.3:

  • AA: 3:1 minimum
  • AAA: 4.5:1 minimum
UI Components
Interactive elements and meaningful graphics

WCAG 1.4.11:

  • AA: 3:1 minimum
  • Applies to active states

Step 3: Preview

This is how your normal text will look.

This is how smaller text will appear (not recommended below 12pt).

Step 4: Results

Contrast Ratio: 21.00:1

WCAG Level: AAA

Recommendations

Current Color Combination

Your color combination meets the highest accessibility standards!

WCAG Success Criteria

1.4.3 Contrast (Minimum) - Level AA

Text Requirements:

  • Normal text: 4.5:1 minimum contrast ratio
  • Large text: 3:1 minimum contrast ratio
1.4.11 Non-text Contrast - Level AA

UI Component Requirements:

  • 3:1 minimum contrast ratio for:
  • Visual information to identify UI components
  • Visual information to indicate states
  • Meaningful parts of graphics

Exceptions: Inactive components, user agent defaults, or essential presentations

Documentation

For more information on how to use this tool and contribute to its development, please visit our Color Contrast Checker documentation.