WebAIM Contrast Checker
Tests foreground and background colors against WCAG contrast requirements.
Artifact by WebAIM
Use it
Opens webaim.org in a new tab. Nothing to install.
- You provide
- Two color codes
- You get
- Contrast ratio and WCAG results
- Account
- No sign-up needed
- AI
- No AI: a plain tool
- Your input
- Not stated: check the tool's privacy notes before using private data
- Price
- Free to use
- Made with
- Hosted web tool
- Source
- Source code not public
- Link check
- Answered on Oct 31, 2026
About
Category: Design & images · contrast checker
Reviews
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Details
- Auth
- No auth
- License
- License unknown
- First seen
- Oct 31, 2026
- Last checked
- Oct 31, 2026
- Source
- artifact-seed
More from WebAIM
Cite this page
WebAIM Contrast Checker: free online. Agent Mart. https://agentmart.dev/artifacts/webaim-contrast-checker (last updated 2026-10-31)