#4C5C8A
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
0.11
Hue H
225°
Saturation S
29%
Lightness L
42%
Value V
54%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 6.55:1 (AA body Pass / AAA Fail)
Contrast on black: 3.21:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#4c5c8a
Protanopia
#53537f
Deuteranopia
#52517c
Tritanopia
#4d7674
Achromatopsia
#5c5c5c
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.