Color Accessibility Checker – Check Color Contrast Online



Input Information
Calculated Result
Contrast Ratio
5.12:1
Normal Text (14pt / 18px):
The quick brown fox jumps over the lazy dog.
Large Text (18pt / 24px+):
The quick brown fox jumps...
WCAG AA - Normal Text (4.5:1) Pass
WCAG AA - Large Text (3.0:1) Pass
WCAG AAA - Normal Text (7.0:1) Fail

About Color Accessibility Checker

Choosing colors for a website can be surprisingly tricky. Two colors might look great next to each other on your screen, but that does not necessarily mean the text will be comfortable for everyone to read. A dark gray heading on a slightly lighter gray background, for example, may look stylish while still being difficult to see. This is where a Color Accessibility Checker can be useful.

The basic idea is simple. You choose a foreground color, such as the color of your text, and a background color behind it. The checker examines the contrast between them and gives you a clearer idea of whether the combination provides enough visual separation.

This can be helpful during everyday design work. Maybe you are choosing colors for a button, creating a pricing table, designing a blog, or putting together a dashboard. Instead of relying only on your eyes, you can test the combination and make an informed adjustment if the contrast is too low.

Color accessibility is particularly important because people do not all experience colors in the same way. Some users have different forms of color vision deficiency, while others may simply find low-contrast text harder to read. Good contrast can make a page more comfortable and easier to use for a wider range of people.

A checker can also save you from discovering a problem after a design has already been published. You can test your main colors early, adjust them when necessary, and continue with the rest of the design.

It is worth remembering that accessibility is not only about contrast. Color should not be the only way important information is communicated, and other factors such as font size, spacing, and typography also affect readability.

A Color Accessibility Checker is therefore best thought of as a quick second opinion for your color choices. It takes only a moment to test a combination, but that small check can make a digital design noticeably easier to use.