#2F221D
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
0.018
Hue H
17°
Saturation S
24%
Lightness L
15%
Value V
18%
Temperature
Warm
Brightness
Dark
Chroma
Muted
Hue family
Orange
Contrast on white: 15.36:1 (AA body Pass / AAA Pass)
Contrast on black: 1.37:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#2f221d
Protanopia
#29291e
Deuteranopia
#2a2b1e
Tritanopia
#2e1f1f
Achromatopsia
#252525
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.