Color Contrast Checker MCP Server
Check WCAG color contrast compliance via AI — verify text readability against backgrounds for accessible, inclusive web design.
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What is the WCAG Color Contrast MCP Server?
The WCAG Color Contrast MCP Server gives AI agents like Claude, ChatGPT, and Cursor direct access to WCAG Color Contrast via 8 tools. Check WCAG color contrast compliance via AI — verify text readability against backgrounds for accessible, inclusive web design. Powered by the Vinkius - no API keys, no infrastructure, connect in under 2 minutes.
Built-in capabilities (8)
Tools for your AI Agents to operate WCAG Color Contrast
Ask your AI agent "Check if #3B82F6 works on a white background for body text." and get the answer without opening a single dashboard. With 8 tools connected to real WCAG Color Contrast data, your agents reason over live information, cross-reference it with other MCP servers, and deliver insights you would spend hours assembling manually.
Works with Claude, ChatGPT, Cursor, and any MCP-compatible client. Powered by the Vinkius - your credentials never touch the AI model, every request is auditable. Connect in under two minutes.
Why teams choose Vinkius
One subscription gives you access to thousands of MCP servers - and you can deploy your own to the Vinkius Edge. Your AI agents only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure and security, zero maintenance.
Build your own MCP Server with our secure development framework →Vinkius works with every AI agent you already use
…and any MCP-compatible client
Color Contrast Checker MCP Server capabilities
8 toolsCheck contrast of pure black text against a specific background
1 contrast ratio for a specific foreground and background color pair to audit visual accessibility. Check the WCAG contrast ratio between a foreground and background color
Check contrast of standard danger/error red text on a background
Check contrast against a standard dark mode surface
Check contrast against a standard light mode surface
Check contrast of a text color against a pure black background
Check contrast of a text color against a pure white background
Check contrast of pure white text against a specific background
What the Color Contrast Checker MCP Server unlocks
Connect Color Contrast Checker to your AI agent and validate WCAG accessibility compliance for any color combination.
What you can do
- Custom Contrast Checks — Test any foreground/background color pair against WCAG AA and AAA standards
- Preset Scenarios — Quickly check text on white, text on black, white text on colors, and black text on colors
- Dark Mode Validation — Verify color contrast for dark mode UI designs
- Light Mode Validation — Ensure readability in light theme interfaces
- Accessibility Reporting — Get instant pass/fail reports with contrast ratios
How it works
1. Subscribe to this server
2. Enter your Apify API key
3. Start checking color contrast from Claude, Cursor, or any MCP-compatible client
Who is this for?
- UI/UX Designers — validate design system colors meet accessibility requirements
- Web Developers — check contrast ratios during development without leaving the editor
- Accessibility Auditors — batch-verify color compliance across design tokens
Frequently asked questions about the Color Contrast Checker MCP Server
What accessibility standards does it check?
It checks against both WCAG 2.1 Level AA (minimum 4.5:1 for normal text, 3:1 for large text) and Level AAA (7:1 for normal text, 4.5:1 for large text).
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Step-by-step setup guides for every MCP-compatible client and framework:
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Give your AI agents the power of WCAG Color Contrast MCP Server
Production-grade Color Contrast Checker MCP Server. Verified, monitored, and maintained by Vinkius. Ready for your AI agents — connect and start using immediately.