#00211F
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
0.012
Hue H
176°
Saturation S
100%
Lightness L
6%
Value V
13%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Cyan
Contrast on white: 16.97:1 (AA body Pass / AAA Pass)
Contrast on black: 1.24:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#00211f
Protanopia
#0e0f1f
Deuteranopia
#0c0a20
Tritanopia
#022020
Achromatopsia
#171717
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.