How to use: Color Contrast Checker (WCAG)

Color Contrast Checker (WCAG) is a free online Color Tools tool that verify text contrast ratios against WCAG AA/AAA instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.

Input Color Contrast Checker (WCAG) Output Runs 100% in your browser — your data never leaves your device.
Color Contrast Checker (WCAG) — Input → Output. Runs 100% in your browser — your data never leaves your device.

How to use

Using Color Contrast Checker (WCAG) takes three steps:

  1. Paste your data into the input box (or load the example).
  2. Configure the options to match your target format or scenario.
  3. Copy, download or inspect the output — it updates live as you type.
How to use · Color Contrast Checker (WCAG) 1 Input Paste your data intothe input box (or loadthe example). 2 Options Configure the optionsto match your targetformat or scenario. 3 Output Copy, download orinspect the output —it updates live as youtype.
How to use — 3

Description

Verify text contrast ratios against WCAG AA/AAA.

Because everything is computed client-side, Color Contrast Checker (WCAG) is safe to use with sensitive data such as API keys, tokens or private logs.

Run

These ready-made examples show typical inputs and the exact output Color Contrast Checker (WCAG) produces for them.

Examples

Against #ffffff background.

#777777

Use cases

Common situations where Color Contrast Checker (WCAG) helps:

  • Verify text contrast ratios against WCAG AA/AAA.
  • Because everything is computed client-side, Color Contrast Checker (WCAG) is safe to use with sensitive data such as API keys, tokens or private logs.

FAQ

What is Color Contrast Checker (WCAG)?

Color Contrast Checker (WCAG) verify text contrast ratios against WCAG AA/AAA. It runs entirely in your browser, so your data stays private.

Is Color Contrast Checker (WCAG) free to use?

Yes. Color Contrast Checker (WCAG) is free, unlimited and works without registration or installation.

Does my data get uploaded?

No. All processing happens locally in your browser; nothing is sent to any server.

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Color Contrast Checker (WCAG) → · Color Tools →