#858F8F
Approximate name: Light 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
LightSlateGray
Relative luminance
0.266
Hue H
180°
Saturation S
4%
Lightness L
54%
Value V
56%
Temperature
Neutral
Brightness
Dark
Chroma
Near gray
Hue family
Gray
Contrast on white: 3.32:1 (AA body Fail / AAA Fail)
Contrast on black: 6.32:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#858f8f
Protanopia
#89898f
Deuteranopia
#89888f
Tritanopia
#868f8f
Achromatopsia
#8c8c8c
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.