#4C4E51
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
0.076
Hue H
216°
Saturation S
3%
Lightness L
31%
Value V
32%
Temperature
Neutral
Brightness
Dark
Chroma
Near gray
Hue family
Gray
Contrast on white: 8.35:1 (AA body Pass / AAA Pass)
Contrast on black: 2.52:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#4c4e51
Protanopia
#4d4d50
Deuteranopia
#4d4d50
Tritanopia
#4c5050
Achromatopsia
#4e4e4e
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.