#4C4B63
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
0.075
Hue H
242°
Saturation S
14%
Lightness L
34%
Value V
39%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 8.42:1 (AA body Pass / AAA Pass)
Contrast on black: 2.49:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#4c4b63
Protanopia
#4c4c5d
Deuteranopia
#4c4c5c
Tritanopia
#4c5958
Achromatopsia
#4e4e4e
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.