#643cdb
a balanced, vivid violet · warm · closest name: slateblue
RGB
100, 60, 219
HSL
255°, 69%, 55%
CMYK
54, 73, 0, 14
Luminance
0.1106
Every format
| HEX | #643cdb |
| RGB | rgb(100, 60, 219) |
| HSL | hsl(255, 69%, 55%) |
| CMYK | cmyk(54%, 73%, 0%, 14%) |
| LAB | lab(39.7 55.7 -75.0) |
| LCH | lch(39.7 93.5 306.6) |
| OKLCH | oklch(0.505 0.226 286.8) |
Copy-ready code
/* CSS */
color: #643cdb;
background-color: #643cdb;
/* Tailwind (arbitrary) */
class="text-[#643cdb] bg-[#643cdb]"
/* SCSS */
$brand: #643cdb;
/* SwiftUI */
Color(red: 0.392, green: 0.235, blue: 0.859)
/* Android */
Color.parseColor("#643cdb")Accessibility — WCAG contrast
Aa
#643cdb on white: 6.54:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#643cdb on black: 3.21:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green23.5%
Blue85.9%
CMYK percentages
Cyan54.3%
Magenta72.6%
Yellow0.0%
Key (black)14.1%
Color previews
#643cdb text on a black background
contrast 3.21:1
Card sample
#643cdb text on a white background
contrast 6.54:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643cdb;
Background color
Panel with #643cdb background
background-color: #643cdb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643cdb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 60, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 60, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643cdb; background: linear-gradient(135deg, #643cdb, #CE3CDB);