#0A0A01
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
0.003
Hue H
60°
Saturation S
82%
Lightness L
2%
Value V
4%
Temperature
Warm
Brightness
Dark
Chroma
Vivid
Hue family
Yellow
Contrast on white: 19.87:1 (AA body Pass / AAA Pass)
Contrast on black: 1.06:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#0a0a01
Protanopia
#0a0a03
Deuteranopia
#0a0a04
Tritanopia
#0a0505
Achromatopsia
#090909
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.