#0A100B
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
0.005
Hue H
130°
Saturation S
23%
Lightness L
5%
Value V
6%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Green
Contrast on white: 19.23:1 (AA body Pass / AAA Pass)
Contrast on black: 1.09:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#0a100b
Protanopia
#0d0d0c
Deuteranopia
#0c0c0d
Tritanopia
#0a0d0d
Achromatopsia
#0e0e0e
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.