#554E50
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
0.08
Hue H
343°
Saturation S
4%
Lightness L
32%
Value V
33%
Temperature
Neutral
Brightness
Dark
Chroma
Near gray
Hue family
Gray
Contrast on white: 8.10:1 (AA body Pass / AAA Pass)
Contrast on black: 2.59:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#554e50
Protanopia
#525250
Deuteranopia
#52534f
Tritanopia
#554f4f
Achromatopsia
#505050
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.