#738C8A
Approximate name: 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
SlateGray
Relative luminance
0.242
Hue H
175°
Saturation S
10%
Lightness L
50%
Value V
55%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Cyan
Contrast on white: 3.59:1 (AA body Fail / AAA Fail)
Contrast on black: 5.85:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#738c8a
Protanopia
#7e7e8a
Deuteranopia
#7c7b8b
Tritanopia
#748b8b
Achromatopsia
#848484
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.