#4D4639
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
0.063
Hue H
39°
Saturation S
15%
Lightness L
26%
Value V
30%
Temperature
Warm
Brightness
Dark
Chroma
Muted
Hue family
Orange
Contrast on white: 9.33:1 (AA body Pass / AAA Pass)
Contrast on black: 2.25:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#4d4639
Protanopia
#4a4a3c
Deuteranopia
#4a4b3d
Tritanopia
#4d3f3f
Achromatopsia
#474747
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.