Web Content Accessibility Guidelines (WCAG) 2.2
Source: https://www.w3.org/TR/WCAG22
Structured fields
{
"revision": {
"ref": "REC 2024-12-12",
"pinned": false
},
"checked_at": "2026-10-17T00:00:00.000Z",
"usefulness": "W3C Recommendation (12 Dec 2024) defining accessibility success criteria, including text contrast (4.5:1, 3:1 for large text) and non-text contrast (3:1). The checkable baseline for legible titles, captions, lower-thirds and UI graphics.",
"source_type": "documentation",
"availability": "available",
"source_owner": "W3C",
"next_check_at": "2026-10-24T00:00:00.000Z",
"known_limitations": [
"Only the first ~100k of ~270k characters read; written for web content, extrapolation to video titling is an inference."
]
}Evidence claims
- [sourced_fact] Document status: W3C Recommendation REC-WCAG22-20241212; adds nine new success criteria (e.g. target size, focus appearance) and removes 4.1.1 Parsing. · locator: Status of this document; What's new source
- [sourced_fact] 1.4.3 Contrast (Minimum) AA: 4.5:1 for text, 3:1 for large-scale text (18pt or 14pt bold); 1.4.11 Non-text Contrast AA: 3:1 for UI components and graphical objects. · locator: Success criteria 1.4.3 and 1.4.11 source
- [sourced_fact] Copyright 2020-2024 W3C; W3C Document License referenced but not reproduced on the page. · locator: Copyright notice source
- [upstream_claim] Research review verdict at export: reviewed (as of 2026-10-17). Recorded by the research pipeline, not a hub review outcome; evidence.review stays unreviewed until an independent reviewer records one.
Rights
| component | license | hosting | redistribution | modification | training | Evidence and notes |
|---|---|---|---|---|---|---|
| documentation | LicenseRef-W3C-Document-License | unknown | unknown | unknown | unknown | W3C document license is referenced; terms not read here. |