Tool World

Contrast Ratio Checker

Check WCAG color contrast compliance

The Contrast Ratio Checker is an essential tool for designers and developers who prioritize accessibility in their user interfaces. This easy-to-use online calculator allows you to input foreground and background color values in HEX or RGB formats, providing instant feedback on the contrast ratio. By evaluating your color combinations against the Web Content Accessibility Guidelines (WCAG), the tool ensures that your design meets necessary accessibility standards, promoting inclusivity for all users. Understanding and maintaining appropriate color contrast is vital in UI design, especially for users with visual impairments. The Contrast Ratio Checker not only helps you comply with WCAG standards, but it also enhances the overall user experience by improving text legibility and navigation ease. By integrating this tool into your design process, you can create a visually appealing and accessible interface that meets the diverse needs of your audience.

Frequently Asked Questions

What is a contrast ratio?

A contrast ratio is a measure of the difference in luminance between two colors. It is crucial for accessibility, as it affects text readability.

Why is color contrast important in UI design?

Color contrast is important in UI design to ensure that all users, including those with visual impairments, can read text and navigate interfaces easily.

What does WCAG stand for?

WCAG stands for Web Content Accessibility Guidelines, which is a set of guidelines established to make web content more accessible to people with disabilities.

How do I use the Contrast Ratio Checker?

Simply input the foreground and background colors in HEX or RGB format, and the tool will calculate the contrast ratio and indicate whether it meets WCAG standards.

What are the WCAG compliance levels for contrast ratios?

WCAG compliance levels include AA and AAA, with AA requiring a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text.