#20271F
Approximate name: Black
Technical formats
Color-space values for scientific work and cross-device comparison.
Practical formats
Ready to paste into CSS, Tailwind, iOS, Android, Flutter, and more.
Color analysis
Objective metrics: luminance, hue, saturation, temperature, and contrast.
Nearest name
Black
Relative luminance
0.019
Hue H
113°
Saturation S
11%
Lightness L
14%
Value V
15%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Green
Contrast on white: 15.31:1 (AA body Pass / AAA Pass)
Contrast on black: 1.37:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#20271f
Protanopia
#232321
Deuteranopia
#232221
Tritanopia
#202223
Achromatopsia
#242424
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.