#643fd0
a balanced, vivid violet · warm · closest name: slateblue
RGB
100, 63, 208
HSL
255°, 61%, 53%
CMYK
52, 70, 0, 18
Luminance
0.1082
Every format
| HEX | #643fd0 |
| RGB | rgb(100, 63, 208) |
| HSL | hsl(255, 61%, 53%) |
| CMYK | cmyk(52%, 70%, 0%, 18%) |
| LAB | lab(39.3 51.1 -69.4) |
| LCH | lch(39.3 86.2 306.4) |
| OKLCH | oklch(0.499 0.210 288.0) |
Copy-ready code
/* CSS */
color: #643fd0;
background-color: #643fd0;
/* Tailwind (arbitrary) */
class="text-[#643fd0] bg-[#643fd0]"
/* SCSS */
$brand: #643fd0;
/* SwiftUI */
Color(red: 0.392, green: 0.247, blue: 0.816)
/* Android */
Color.parseColor("#643fd0")Accessibility — WCAG contrast
Aa
#643fd0 on white: 6.64:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#643fd0 on black: 3.16:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green24.7%
Blue81.6%
CMYK percentages
Cyan51.9%
Magenta69.7%
Yellow0.0%
Key (black)18.4%
Color previews
#643fd0 text on a black background
contrast 3.16:1
Card sample
#643fd0 text on a white background
contrast 6.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643fd0;
Background color
Panel with #643fd0 background
background-color: #643fd0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643fd0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 63, 208, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 63, 208, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643fd0; background: linear-gradient(135deg, #643fd0, #C53FD0);