#866F8D
Approximate name: 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
Gray
Relative luminance
0.184
Hue H
286°
Saturation S
12%
Lightness L
49%
Value V
55%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Purple
Contrast on white: 4.49:1 (AA body Fail / AAA Fail)
Contrast on black: 4.67:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#866f8d
Protanopia
#7c7c86
Deuteranopia
#7d7f84
Tritanopia
#85807f
Achromatopsia
#797979
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.