#643cd9
a balanced, vivid violet · warm · closest name: slateblue
RGB
100, 60, 217
HSL
255°, 67%, 54%
CMYK
54, 72, 0, 15
Luminance
0.1095
Every format
| HEX | #643cd9 |
| RGB | rgb(100, 60, 217) |
| HSL | hsl(255, 67%, 54%) |
| CMYK | cmyk(54%, 72%, 0%, 15%) |
| LAB | lab(39.5 55.1 -74.2) |
| LCH | lch(39.5 92.4 306.6) |
| OKLCH | oklch(0.503 0.223 287.0) |
Copy-ready code
/* CSS */
color: #643cd9;
background-color: #643cd9;
/* Tailwind (arbitrary) */
class="text-[#643cd9] bg-[#643cd9]"
/* SCSS */
$brand: #643cd9;
/* SwiftUI */
Color(red: 0.392, green: 0.235, blue: 0.851)
/* Android */
Color.parseColor("#643cd9")Accessibility — WCAG contrast
Aa
#643cd9 on white: 6.58:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#643cd9 on black: 3.19:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green23.5%
Blue85.1%
CMYK percentages
Cyan53.9%
Magenta72.4%
Yellow0.0%
Key (black)14.9%
Color previews
#643cd9 text on a black background
contrast 3.19:1
Card sample
#643cd9 text on a white background
contrast 6.58:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643cd9;
Background color
Panel with #643cd9 background
background-color: #643cd9;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643cd9;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 60, 217, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 60, 217, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643cd9; background: linear-gradient(135deg, #643cd9, #CD3CD9);