Elements must meet enhanced color contrast ratio thresholds
Moderatecolor-contrast-enhanced
What it checks
Ensure the contrast between foreground and background colors meets WCAG 2 AAA enhanced contrast ratio thresholds
How to fix it
Review and fix this accessibility issue following WCAG guidelines
WCAG
Success criteria 1.4.6. See the WCAG 2.2 quick reference.
More detail: Deque University's page on this rule.