Text size is usually measured in points, but text size is measured in pixels for digital publishing. Here’s a chart listing WCAG accessible font sizes.
WCAG 2.1 AA Text Size Requirements
| Text Size | Use | Point Size | Pixel Size | Weight | Contrast |
|---|---|---|---|---|---|
| Large | Industry-standard large print | 18 pt and larger | 24 px and larger | Normal | 3:1 |
| Large | 14 pt and larger | 19 px and larger | Bold | 3:1 | |
| Regular | Industry-standard readable text. | 12 pt | 16 px | Normal | 4.5:1 |
| Small | 11 pt and smaller | 15 px and smaller | Normal or Bold | 4.5:1 |
Different fonts at the same point size may not display the same, for example:
Use Ariel as a guide for determining the appropriate text size. The American Council of the Blind uses Ariel to print publications for the low-vision community.