ColorContrast Checker

Check color contrast. WCAG accessibility. Free contrast checker. Pass/fail. For designers. AA, AAA. No signup. Process in browser. Instant. No registration.

Color Contrast Checker

Preview

Sample text for contrast

Contrast Ratio
21:1
AA Normal
Pass
AA Large
Pass
AAA Normal
Pass
WCAG
AA/AAA compliance
WCAG
AA/AAA check
Free
No limits

How It Works

1

Step 1

Pick foreground & background

2

Step 2

View contrast ratio

3

Step 3

See WCAG rating

Features

Contrast ratio
WCAG AA/AAA
Large text
Color picker

About This Tool

Check color contrast ratios for WCAG compliance. Ensure your designs are accessible to all users.

🎯Why Use This Tool?

  • 100% Free: No hidden costs, premium tiers, or usage limits
  • Privacy First: All processing happens in your browser - your files never leave your device
  • No Signup Required: Start using immediately without registration
  • Fast & Efficient: Client-side processing means instant results
  • Professional Quality: Industry-standard algorithms for reliable outputs

💡Common Use Cases

Daily Tasks
Simplify common digital tasks
Productivity
Save time with quick tools
Development
Generate codes and identifiers
Organization
Manage and convert data

Key Benefits

Contrast ratio
WCAG AA/AAA
Large text
Color picker
💡
Pro Tip

Bookmark this tool for quick access anytime! You can also use it offline once the page is loaded. Check out our full collection of 100+ free tools for all your digital needs.

Need Help or Have Feedback?

We're constantly improving our tools based on user feedback. If you have suggestions, questions, or encounter any issues, we'd love to hear from you!