WCAG 1.4.3 · Level AA
Color Contrast
- What is broken
- Text sits too close in brightness to its background to be reliably readable.
- Who it affects
- Anyone with low vision or colour blindness — and any customer on a phone in daylight — may not be able to read it at all.
- How to fix it
- Raise contrast to at least 4.5:1, or 3:1 for text 18pt and larger. Usually one or two shared CSS classes are responsible for most instances.
Check your site for this issue
Free scan — no signup required. Covers WCAG 2.1 AA across 64 rules including this one.
Scan my site →Automated testing detects roughly a third of WCAG 2.1 success criteria. This rule is detected automatically; issues such as keyboard traps, focus order, and screen-reader flow still require manual review. Not legal advice.