#2B2F37
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
0.028
Hue H
220°
Saturation S
12%
Lightness L
19%
Value V
22%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 13.42:1 (AA body Pass / AAA Pass)
Contrast on black: 1.56:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#2b2f37
Protanopia
#2d2d35
Deuteranopia
#2d2c35
Tritanopia
#2b3433
Achromatopsia
#2f2f2f
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.