#2B2B31
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
0.025
Hue H
240°
Saturation S
7%
Lightness L
18%
Value V
19%
Temperature
Neutral
Brightness
Dark
Chroma
Near gray
Hue family
Gray
Contrast on white: 14.07:1 (AA body Pass / AAA Pass)
Contrast on black: 1.49:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#2b2b31
Protanopia
#2b2b30
Deuteranopia
#2b2b2f
Tritanopia
#2b2e2e
Achromatopsia
#2c2c2c
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.