Color Contrast Calculator
Calculate color contrast ratios to ensure accessibility and readability in designs.
Color Inputs
Preview
Sample Text Preview
Smaller text sample
Contrast Results
Excellent
21.00:1
Contrast Ratio
WCAG 2.1 Compliance
AA Normal Text (≥4.5:1)
Pass
AA Large Text (≥3:1)
Pass
AAA Normal Text (≥7:1)
Pass
AAA Large Text (≥4.5:1)
Pass
Text Classification
Font Size:16px
Font Weight:400
Text Type:Normal Text
About Color Contrast
Color contrast is crucial for accessibility. The Web Content Accessibility Guidelines (WCAG) 2.1 recommend minimum contrast ratios to ensure text is readable for users with visual impairments. Higher contrast ratios (7:1 or higher) provide better readability for all users.
About This Calculator
Calculate color contrast ratios to ensure accessibility and readability in designs.
Keywords:
color contrastaccessibilitydesignWCAGreadabilitycolor theory