508 Compliance

Section 508 refers to making sure individuals of all abilities have equal access to the information and data they seek from federal agencies or which they need to do their jobs within a federal agency.

Minimum Compliance (WCAG 2.0 level AA): Requires a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text.

High-Level Compliance (WCAG Level AAA): Requires a contrast ratio of at least 7:1 for normal text and 4.5:1 for large text.

Note: Large text is defined as 14 point (typically 18.66px) or larger, or 18 point (typically 24px) or larger.

Confirm compliance using WebAIM’s contrast checker.