WCAG 2.2 — Accessibility Reference
Overview
WCAG 2.2 (Web Content Accessibility Guidelines) is a W3C normative standard defining accessibility requirements for web content. This KB section is not a full transcription — it covers the criteria most directly relevant to UI component implementation, structured for decision-oriented use by AI coding tools.
Conformance levels:
- A — minimum; non-conformance blocks access for many users
- AA — standard target for most products and legal requirements
- AAA — enhanced; aspirational for most products
New in WCAG 2.2 (not in 2.1): 2.4.11, 2.4.12, 2.4.13, 2.5.7, 2.5.8. These are marked New in the spec.