#737199
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
0.178
Hue H
243°
Saturation S
16%
Lightness L
52%
Value V
60%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 4.61:1 (AA body Pass / AAA Fail)
Contrast on black: 4.55:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#737199
Protanopia
#72728f
Deuteranopia
#72728d
Tritanopia
#738886
Achromatopsia
#767676
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.