#170D0D
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
0°
Saturation S
28%
Lightness L
7%
Value V
9%
Temperature
Warm
Brightness
Dark
Chroma
Muted
Hue family
Red
Contrast on white: 19.09:1 (AA body Pass / AAA Pass)
Contrast on black: 1.10:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#170d0d
Protanopia
#13130d
Deuteranopia
#13140d
Tritanopia
#160d0d
Achromatopsia
#101010
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.