#151F2C
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
0.013
Hue H
214°
Saturation S
35%
Lightness L
13%
Value V
17%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 16.61:1 (AA body Pass / AAA Pass)
Contrast on black: 1.26:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#151f2c
Protanopia
#191929
Deuteranopia
#191828
Tritanopia
#162626
Achromatopsia
#1d1d1d
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.