#8A66FF
Approximate name: Medium Slate Blue
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
MediumSlateBlue
Relative luminance
0.221
Hue H
254°
Saturation S
100%
Lightness L
70%
Value V
100%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Blue
Contrast on white: 3.87:1 (AA body Fail / AAA Fail)
Contrast on black: 5.43:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#8a66ff
Protanopia
#7a7ada
Deuteranopia
#7d7fd1
Tritanopia
#88bdb6
Achromatopsia
#828282
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.