#27170C
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
0.011
Hue H
24°
Saturation S
53%
Lightness L
10%
Value V
15%
Temperature
Warm
Brightness
Dark
Chroma
Muted
Hue family
Orange
Contrast on white: 17.30:1 (AA body Pass / AAA Pass)
Contrast on black: 1.21:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#27170c
Protanopia
#20200f
Deuteranopia
#21220f
Tritanopia
#261111
Achromatopsia
#1b1b1b
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.