How to Use

How to Use the Color Contrast Checker

Step 1: Enter Colors

Enter the foreground (text) and background colors as HEX codes like #FFFFFF or #000000.

Step 2: Check Contrast

The contrast ratio updates instantly. See if your colors pass WCAG AA and AAA standards.

Step 3: Verify Compliance

Green PASS means your colors meet accessibility guidelines. Red FAIL means you need to adjust for better readability.

Key Features

Real-time contrast ratio calculation
WCAG AA and AAA compliance check
Large and normal text indicators
Visual sample preview
HEX color input
100% free, no limits

Common Uses

Web accessibility compliance
UI/UX design color selection
Brand color palette testing
Ensuring readable text on backgrounds

FAQ

Q: What is WCAG?
A: WCAG (Web Content Accessibility Guidelines) defines standards for making web content accessible to people with disabilities.

Q: What contrast ratio do I need?
A: AA requires 4.5:1 for normal text and 3:1 for large text. AAA requires 7:1 for normal text and 4.5:1 for large text.

Q: What format should I use for colors?
A: Enter 6-digit HEX codes like #FF5733. The # prefix is optional.