#280309
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
0.005
Hue H
350°
Saturation S
86%
Lightness L
8%
Value V
16%
Temperature
Warm
Brightness
Dark
Chroma
Vivid
Hue family
Red
Contrast on white: 18.97:1 (AA body Pass / AAA Pass)
Contrast on black: 1.11:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#280309
Protanopia
#181808
Deuteranopia
#1a1d07
Tritanopia
#260606
Achromatopsia
#0f0f0f
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.