#021E01
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
0.009
Hue H
118°
Saturation S
94%
Lightness L
6%
Value V
12%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Green
Contrast on white: 17.67:1 (AA body Pass / AAA Pass)
Contrast on black: 1.19:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#021e01
Protanopia
#0e0e08
Deuteranopia
#0d0a0a
Tritanopia
#030e0f
Achromatopsia
#121212
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.