#643daf
a balanced, vivid violet · warm · closest name: slateblue
RGB
100, 61, 175
HSL
261°, 48%, 46%
CMYK
43, 65, 0, 31
Luminance
0.0914
Every format
| HEX | #643daf |
| RGB | rgb(100, 61, 175) |
| HSL | hsl(261, 48%, 46%) |
| CMYK | cmyk(43%, 65%, 0%, 31%) |
| LAB | lab(36.3 42.9 -55.0) |
| LCH | lch(36.3 69.7 308.0) |
| OKLCH | oklch(0.469 0.172 294.5) |
Copy-ready code
/* CSS */
color: #643daf;
background-color: #643daf;
/* Tailwind (arbitrary) */
class="text-[#643daf] bg-[#643daf]"
/* SCSS */
$brand: #643daf;
/* SwiftUI */
Color(red: 0.392, green: 0.239, blue: 0.686)
/* Android */
Color.parseColor("#643daf")Accessibility — WCAG contrast
Aa
#643daf on white: 7.42:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#643daf on black: 2.83:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green23.9%
Blue68.6%
CMYK percentages
Cyan42.9%
Magenta65.1%
Yellow0.0%
Key (black)31.4%
Color previews
#643daf text on a black background
contrast 2.83:1
Card sample
#643daf text on a white background
contrast 7.42:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643daf;
Background color
Panel with #643daf background
background-color: #643daf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643daf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 61, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 61, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643daf; background: linear-gradient(135deg, #643daf, #AF3DAE);