#6F73CE
Approximate name: Slate Blue
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
SlateBlue
Relative luminance
0.201
Hue H
237°
Saturation S
49%
Lightness L
62%
Value V
81%
Temperature
Cool
Brightness
Dark
Chroma
Muted
Hue family
Blue
Contrast on white: 4.18:1 (AA body Fail / AAA Fail)
Contrast on black: 5.02:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#6f73ce
Protanopia
#7171b8
Deuteranopia
#7170b3
Tritanopia
#6fa7a3
Achromatopsia
#7c7c7c
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.