#211E1D
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
0.013
Hue H
15°
Saturation S
6%
Lightness L
12%
Value V
13%
Temperature
Neutral
Brightness
Dark
Chroma
Near gray
Hue family
Gray
Contrast on white: 16.56:1 (AA body Pass / AAA Pass)
Contrast on black: 1.27:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#211e1d
Protanopia
#20201d
Deuteranopia
#20201d
Tritanopia
#211d1d
Achromatopsia
#1f1f1f
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.