#625FBE
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
0.145
Hue H
242°
Saturation S
42%
Lightness L
56%
Value V
75%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 5.38:1 (AA body Pass / AAA Fail)
Contrast on black: 3.90:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#625fbe
Protanopia
#6161a7
Deuteranopia
#6161a2
Tritanopia
#629591
Achromatopsia
#6b6b6b
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.