#6C8A89
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
0.232
Hue H
178°
Saturation S
12%
Lightness L
48%
Value V
54%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Cyan
Contrast on white: 3.73:1 (AA body Fail / AAA Fail)
Contrast on black: 5.63:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#6c8a89
Protanopia
#797989
Deuteranopia
#777589
Tritanopia
#6e8989
Achromatopsia
#818181
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.