#0B151D
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
0.007
Hue H
207°
Saturation S
45%
Lightness L
8%
Value V
11%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 18.43:1 (AA body Pass / AAA Pass)
Contrast on black: 1.14:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#0b151d
Protanopia
#0f0f1b
Deuteranopia
#0f0e1b
Tritanopia
#0c1a19
Achromatopsia
#131313
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.