#474739
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
0.061
Hue H
60°
Saturation S
11%
Lightness L
25%
Value V
28%
Temperature
Warm
Brightness
Dark
Chroma
Muted
Hue family
Yellow
Contrast on white: 9.42:1 (AA body Pass / AAA Pass)
Contrast on black: 2.23:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#474739
Protanopia
#47473c
Deuteranopia
#47473d
Tritanopia
#473f40
Achromatopsia
#454545
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.