#0B2D39
Approximate name: Dark Slate Gray
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
DarkSlateGray
Relative luminance
0.022
Hue H
196°
Saturation S
68%
Lightness L
13%
Value V
22%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Cyan
Contrast on white: 14.50:1 (AA body Pass / AAA Pass)
Contrast on black: 1.45:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#0b2d39
Protanopia
#1a1a36
Deuteranopia
#181535
Tritanopia
#0d3433
Achromatopsia
#242424
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.