#6D659A
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
0.149
Hue H
249°
Saturation S
21%
Lightness L
50%
Value V
60%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 5.28:1 (AA body Pass / AAA Fail)
Contrast on black: 3.98:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#6d659a
Protanopia
#6a698d
Deuteranopia
#6a6b8a
Tritanopia
#6d8381
Achromatopsia
#6d6d6d
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.