WordPress / API Reference
a11y_check_color_contrast
Tool tool. Check color contrast ratio between text and background colors (WCAG 2.2 AA requires 4.5:1 for normal text, 3:1 for large text)
This is a read-only tool: it returns a11y check color contrast for your WordPress account. It changes nothing.
Ask Claude
You do not call this tool yourself. Ask for the outcome and the client picks the tool:
A11y check color contrast in my WordPress account for [foreground], [background].
It takes 2 required and 2 optional parameters.
Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
foreground | string | Yes | Foreground |
background | string | Yes | Background |
font_size | integer | No | Font Size |
is_bold | boolean | No | Is Bold |
Related WordPress tools
a11y_check_alt_textsa11y_check_aria_landmarksa11y_check_form_labelsa11y_check_heading_hierarchya11y_check_link_text
Before you can call it
This tool needs a connected WordPress account. The WordPress connect guide covers how to authorize it and what it unlocks, and the quickstart gets a client talking to the server in about five minutes.
Start free — 30 tool calls a month
No card required. Connect Google Ads, Meta Ads, GA4 or Search Console and ask Claude for the outcome — it picks the tool.