WCAG Contrast Checker
Test color combinations against Web Content Accessibility Guidelines (WCAG) AA and AAA standards for optimal readability
Color Selection
Contrast Ratio
12.63:1
Based on WCAG 2.1 guidelines
WCAG Compliance
Normal Text (AA)
PASS
Requires 4.5:1 ratio
Normal Text (AAA)
PASS
Requires 7:1 ratio
Large Text (AA)
PASS
Requires 3:1 ratio
Large Text (AAA)
PASS
Requires 4.5:1 ratio
Text Preview
Normal Text (16px)
This is a sample of regular body text. It demonstrates how your color combination looks for paragraph content and interface elements.
Large Text (24px)
This is an example of larger text. Headings and emphasized content often use this size.
How to Use This Tool
- Select your text and background colors using the color pickers or enter hex values
- The tool will instantly calculate the contrast ratio and WCAG compliance
- Check the previews to see how your text looks in different sizes
- Aim for AA compliance as a minimum, AAA for the best accessibility
- Use the swap button to quickly reverse your color selections
Why Contrast Matters
Visual Accessibility
Proper contrast helps people with visual impairments read your content more easily.
Various Lighting
Good contrast ensures readability in different lighting conditions, including bright sunlight.
Device Compatibility
Ensures content is readable across various screen types and resolutions.