#3E3333
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
0.036
Hue H
0°
Saturation S
10%
Lightness L
22%
Value V
24%
Temperature
Warm
Brightness
Dark
Chroma
Muted
Hue family
Red
Contrast on white: 12.17:1 (AA body Pass / AAA Pass)
Contrast on black: 1.73:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#3e3333
Protanopia
#393933
Deuteranopia
#3a3b33
Tritanopia
#3d3333
Achromatopsia
#363636
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.