Registry · Perceivable
1.4.11 — Non-text Contrast
Level AA Perceivable
Operational summary
IF visual information is needed to identify controls, their states or meaningful graphical objects, require at least 3:1 against adjacent colors. Assess inactive controls, unmodified browser controls and essential graphic-presentation exceptions. Do not require every decorative border to meet this criterion.
This is an original implementation summary, not replacement normative text. The sources below supply the precise requirement, its definitions and its qualifications.
Primary sources
Registry record
Applicability and assessment start unset by design — no product has been evaluated. Instantiate the entry for an actual product, assign an owner and retain evidence.
{
"criterion_id": "1.4.11",
"level": "AA",
"name": "Non-text Contrast",
"rule_definition": "../03-WCAG22-AA-REGISTRY.md#sc-1-4-11",
"normative_source": "https://www.w3.org/TR/WCAG22/#non-text-contrast",
"understanding_source": "https://www.w3.org/WAI/WCAG22/Understanding/non-text-contrast.html",
"applicability_status": "NOT_EVALUATED",
"assessment_status": "NOT_TESTED",
"owner": null,
"test_instance_ids": [],
"exception_evidence_ids": []
}