Relative Luminance Calculator

Relative luminance values span between 0 and 1, often denoted as 0:1 or 1:1. WCAG sets distinct luminance thresholds for varied elements. Input the primary and secondary colors to determine the luminance. For example, the value Color: #AB3030 with 6 digits accuracy produces a relative luminance of 0.10985232048663987 .

Color

Accuracy: 1 digits

Relative Luminance

1.0

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2023