#173003
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
0.023
Hue H
93°
Saturation S
88%
Lightness L
10%
Value V
19%
Temperature
Warm
Brightness
Dark
Chroma
Vivid
Hue family
Green
Contrast on white: 14.38:1 (AA body Pass / AAA Pass)
Contrast on black: 1.46:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#173003
Protanopia
#22220e
Deuteranopia
#201e11
Tritanopia
#181618
Achromatopsia
#232323
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.