#7D639C
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
0.157
Hue H
267°
Saturation S
22%
Lightness L
50%
Value V
61%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Purple
Contrast on white: 5.08:1 (AA body Pass / AAA Fail)
Contrast on black: 4.14:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#7d639c
Protanopia
#72728e
Deuteranopia
#73758b
Tritanopia
#7c8381
Achromatopsia
#717171
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.