#858899
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
0.249
Hue H
231°
Saturation S
9%
Lightness L
56%
Value V
60%
Temperature
Neutral
Brightness
Dark
Chroma
Near gray
Hue family
Blue
Contrast on white: 3.51:1 (AA body Fail / AAA Fail)
Contrast on black: 5.98:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#858899
Protanopia
#868695
Deuteranopia
#868694
Tritanopia
#859291
Achromatopsia
#898989
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.