Perceivable / 1.4 Distinguishable
1.4.11Non-text Contrast
Level AAEnsure a contrast ratio of at least 3:1 against the background for visual elements essential to operation, such as button borders, form controls, and state-indicating icons.
Normative References
- Success Criterion 1.4.11 Non-text Contrast — WCAG 2.2(opens in a new tab)The normative requirement text.
- Understanding Non-text Contrast — W3C(opens in a new tab)Official guidance on intent, examples, and techniques.