#191F2E
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
0.014
Hue H
223°
Saturation S
30%
Lightness L
14%
Value V
18%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 16.45:1 (AA body Pass / AAA Pass)
Contrast on black: 1.28:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#191f2e
Protanopia
#1c1c2a
Deuteranopia
#1b1b29
Tritanopia
#192827
Achromatopsia
#1f1f1f
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.