#4D5B99
Approximate name: Dark 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
DarkSlateBlue
Relative luminance
0.114
Hue H
229°
Saturation S
33%
Lightness L
45%
Value V
60%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 6.42:1 (AA body Pass / AAA Fail)
Contrast on black: 3.27:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#4d5b99
Protanopia
#53538a
Deuteranopia
#525186
Tritanopia
#4e7e7c
Achromatopsia
#5e5e5e
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.