#737E8A
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
0.204
Hue H
211°
Saturation S
9%
Lightness L
50%
Value V
54%
Temperature
Neutral
Brightness
Dark
Chroma
Near gray
Hue family
Blue
Contrast on white: 4.13:1 (AA body Fail / AAA Fail)
Contrast on black: 5.08:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#737e8a
Protanopia
#787887
Deuteranopia
#777686
Tritanopia
#748584
Achromatopsia
#7c7c7c
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.