Enter · check · review

Measure one color pair without guessing.

Use 3- or 6-digit hex colors. Calculation stays in this browser and reports the exact WCAG 2.x contrast ratio.

Local color-pair check

Foreground and background

Colors stay on this device

Only one opaque sRGB pair is calculated. The page does not infer font size, weight, component state or whole-page accessibility.

Color-pair analysis

Contrast result

Contrast ratio14.62:1
Foreground #1E293B Foreground luminance: 0.021777
Background #FFFFFF Background luminance: 1.000000
Fixed preview

Readable design starts with measured contrast.

WCAG 2.x references

AA normal text Minimum 4.5:1 Pass
AA large text Minimum 3:1 Pass
AAA normal text Minimum 7:1 Pass
AAA large text Minimum 4.5:1 Pass
Non-text 3:1 reference Minimum 3:1 Pass

Pass/fail uses the unrounded ratio. The displayed ratio is floored to two decimals. A passing pair is not a site accessibility audit.