#6B839A
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
0.217
Hue H
209°
Saturation S
19%
Lightness L
51%
Value V
60%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 3.93:1 (AA body Fail / AAA Fail)
Contrast on black: 5.34:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#6b839a
Protanopia
#757694
Deuteranopia
#747293
Tritanopia
#6c908f
Achromatopsia
#7e7e7e
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.