#15212D
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
0.014
Hue H
210°
Saturation S
36%
Lightness L
13%
Value V
18%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 16.31:1 (AA body Pass / AAA Pass)
Contrast on black: 1.29:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#15212d
Protanopia
#1a1a2a
Deuteranopia
#1a1929
Tritanopia
#162827
Achromatopsia
#1f1f1f
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.