#09192A
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
211°
Saturation S
65%
Lightness L
10%
Value V
16%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Blue
Contrast on white: 17.73:1 (AA body Pass / AAA Pass)
Contrast on black: 1.18:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#09192a
Protanopia
#101026
Deuteranopia
#0f0e25
Tritanopia
#0a2322
Achromatopsia
#161616
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.