● ONLINE
Colour Contrast Checker

Colour Contrast Checker

Simple WCAG color contrast checker for accessible design

Product Overview

Colour Contrast Checker is a straightforward web tool that helps designers and developers verify color contrast ratios against WCAG accessibility guidelines. Simply enter a foreground and background color to instantly see how they perform against AA and AAA standards for normal text, large text, and UI components. The tool supports multiple color formats including hex, RGB, and HSL, with an interactive color picker for easy adjustment. It also features a live preview with sample text at different sizes, making it easy to understand how your color choices will look in practice. The contrast ratio is calculated in real-time as you adjust colors, with clear pass/fail indicators for each WCAG level. Whether you are designing a website, mobile app, or any digital interface, ensuring proper color contrast is essential for accessibility. Colour Contrast Checker makes this process quick and intuitive.

Best For

Best for designers and developers who need a quick, no-fuss WCAG color contrast checker for accessible design

Key Features

  • Real-time WCAG AA and AAA contrast checking
  • Support for hex, RGB, and HSL color formats
  • Interactive color picker for both foreground and background
  • Live text preview at normal and large sizes
  • Clear pass/fail indicators for each WCAG level
  • Save and share color combinations
  • Multiple typeface options for preview

Pros

  • +Free to use with no account required
  • +Instant real-time results
  • +Simple and intuitive interface
  • +Supports all WCAG contrast levels
  • +No ads or distractions

Cons

  • -No API for programmatic access
  • -Limited to two-color comparison only
  • -No color blindness simulation
  • -Basic tool without advanced analysis features

/// SPECS

  • Pricing:
    Free
  • Platform:
    Web
/// Similar Tools