toolsii

Contrast checker (WCAG)

Check color contrast against WCAG.

Your files never leave your deviceFree — no signup

How to use Contrast checker (WCAG)

Contrast checker (WCAG) helps you check color contrast against WCAG with a live visual preview and copy-ready CSS, so you can go from idea to production code in one step.

Step by step

  1. 1Adjust the controls and watch the preview update live.
  2. 2Fine-tune values until it looks right. Copy the generated CSS.
  3. 3Paste it into your stylesheet or component.

What to expect

  • Clean, modern CSS with no vendor bloat.
  • A true-to-browser preview — what you see is what renders.
  • Values you can keep tweaking without starting over.

Common use cases

  • Prototyping a look before committing it to code.
  • Checking colour contrast for accessibility compliance.
  • Keeping colours and styles consistent across a project.

Privacy & data

Everything runs locally in your browser. Your file is never uploaded to a server, so nothing leaves your device.

At a glance

PriceFree
AccountNot needed
Where it runsIn your browser
Watermark or limitsNone added

Frequently asked questions