Check WCAG AA/AAA color contrast ratios for accessible web design.
The quick brown fox
Sample text at normal size
Large text (18px+)
Enter valid hex colors above (e.g. #1f2937)
Check color contrast ratios against WCAG 2.1 accessibility guidelines. Enter foreground and background colors to instantly see the contrast ratio and whether your color pair passes AA or AAA criteria for normal and large text. Essential for accessible web design.
Generate harmonious color palettes from any base color