Level AAASince WCAG 2.0

1.4.6 Contrast (Enhanced)

Guideline 1.4: Distinguishable – Content is easy to see and hear: contrast, size, spacing.

What does the rule require?

For especially good readability: at least 7:1 for normal text and 4.5:1 for large text.

How to get it right

Choose very dark colours on a light background (or the reverse) for body text. This site uses more than 7:1 for all body text.

Go to the interactive demo

Who benefits most?

Official wording

This page explains the rule in simple words. Only the original W3C text is normative.