D
DevMe
ColorNew

Contrast Checker

Check color contrast ratios for WCAG 2.1 AA/AAA accessibility compliance.

Related Tools

C
Color Picker
Pick colors and get HEX, RGB, HSL, and HSB values instantly.
H
HEX to RGB
Convert HEX color codes to RGB, RGBA, HSL and CSS color values.
P
Palette Generator
Generate color palettes from a base color including tints, shades and complementary colors.

What this tool does

Contrast Checker calculates contrast ratios between foreground and background colors. It accepts two color values and returns WCAG AA and AAA contrast feedback. Use it for checking text, buttons, links and interface states for readable accessible contrast.

Related extensions and formats

These are the formats and values directly related to the Contrast Checker workflow: two color values becomes WCAG AA and AAA contrast feedback.

CSS color value

HEX / RGB / HSL

Color formats used in CSS, design tokens and interface systems to describe visible colors.

Accessibility contrast standard

WCAG

Guidelines used to evaluate whether foreground and background colors are readable enough.

How to use this tool

  1. 1Paste or enter two color values into Contrast Checker.
  2. 2Adjust the available options when the tool provides extra controls.
  3. 3Review WCAG AA and AAA contrast feedback, then copy or download the result.

Common use cases

  • Use two color values for checking text, buttons, links and interface states for readable accessible contrast.
  • Generate WCAG AA and AAA contrast feedback without installing external utilities.
  • Quickly check two color values before pasting it into code, documentation or integrations.
  • Keep sensitive data in the browser during quick development tasks.

Frequently asked questions

What is Contrast Checker used for?

It is used for checking text, buttons, links and interface states for readable accessible contrast, converting or analyzing two color values to produce WCAG AA and AAA contrast feedback.

What input can I use with Contrast Checker?

Use two color values. The expected result is WCAG AA and AAA contrast feedback.

Does Contrast Checker send my data to the server?

No. DevMe tools are designed to process data in the browser whenever possible.