Free Online Color Contrast Checker

Multitoosite Color Contrast Checker is a free online accessibility tool that helps you check the contrast ratio between text and background colors. This tool is essential for designers, developers, and accessibility professionals who want to ensure their websites and applications meet WCAG (Web Content Accessibility Guidelines) standards. It works instantly in your browser with no registration or software installation required.

How to Use Color Contrast Checker

1. Enter or select the text color and background color.
2. View the contrast ratio automatically.
3. Check WCAG compliance levels (AA or AAA).
4. Adjust colors to improve readability and accessibility.

What is Color Contrast?

Color contrast refers to the difference in brightness between foreground and background colors. Proper contrast improves readability, usability, and accessibility, especially for users with visual impairments or color vision deficiencies.

Try our Image Compressor to reduce image size and Image Resizer to resize images online.

WCAG Compliance Levels

This contrast checker evaluates color combinations against WCAG 2.1 guidelines, including AA and AAA standards for normal and large text. Meeting these standards helps ensure your content is accessible to a wider audience.

Why Choose Multitoosite Color Contrast Checker?

• 100% free online color contrast checker
• No signup or login required
• Instant contrast ratio calculation
• WCAG 2.1 AA and AAA compliance checks
• Works on mobile, tablet, and desktop devices

Privacy & Security

All contrast calculations are performed locally in your browser. Multitoosite does not store or track any color data, ensuring full privacy and security.

Frequently Asked Questions

Is this contrast checker tool free?
Yes, this tool is completely free to use.

Do I need to install any software?
No installation is required. Everything works online.

Try our Color Picker & Converter tool. Also explore our Color Blindness Simulator and HEX to RGB Converter tools.