#320B0B
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
0.009
Hue H
0°
Saturation S
64%
Lightness L
12%
Value V
20%
Temperature
Warm
Brightness
Dark
Chroma
Vivid
Hue family
Red
Contrast on white: 17.67:1 (AA body Pass / AAA Pass)
Contrast on black: 1.19:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#320b0b
Protanopia
#21210b
Deuteranopia
#23260b
Tritanopia
#300b0b
Achromatopsia
#171717
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.