#738EA5
Approximate name: Light Slate Gray
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
LightSlateGray
Relative luminance
0.257
Hue H
208°
Saturation S
22%
Lightness L
55%
Value V
65%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 3.42:1 (AA body Fail / AAA Fail)
Contrast on black: 6.14:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#738ea5
Protanopia
#7f7f9f
Deuteranopia
#7d7b9e
Tritanopia
#749b9a
Achromatopsia
#898989
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.