#4E4CD1
Approximate name: 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
SlateBlue
Relative luminance
0.114
Hue H
241°
Saturation S
59%
Lightness L
56%
Value V
82%
Temperature
Cool
Brightness
Dark
Chroma
Vivid
Hue family
Blue
Contrast on white: 6.41:1 (AA body Pass / AAA Fail)
Contrast on black: 3.28:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#4e4cd1
Protanopia
#4d4db1
Deuteranopia
#4d4da9
Tritanopia
#4e9792
Achromatopsia
#5c5c5c
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.