#381D2F
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
0.019
Hue H
320°
Saturation S
32%
Lightness L
17%
Value V
22%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Pink
Contrast on white: 15.16:1 (AA body Pass / AAA Pass)
Contrast on black: 1.38:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#381d2f
Protanopia
#2c2c2b
Deuteranopia
#2e302a
Tritanopia
#372726
Achromatopsia
#272727
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.