#643cd8
a balanced, vivid violet · warm · closest name: slateblue
RGB
100, 60, 216
HSL
255°, 67%, 54%
CMYK
54, 72, 0, 15
Luminance
0.1090
Every format
| HEX | #643cd8 |
| RGB | rgb(100, 60, 216) |
| HSL | hsl(255, 67%, 54%) |
| CMYK | cmyk(54%, 72%, 0%, 15%) |
| LAB | lab(39.4 54.9 -73.8) |
| LCH | lch(39.4 91.9 306.6) |
| OKLCH | oklch(0.502 0.222 287.2) |
Copy-ready code
/* CSS */
color: #643cd8;
background-color: #643cd8;
/* Tailwind (arbitrary) */
class="text-[#643cd8] bg-[#643cd8]"
/* SCSS */
$brand: #643cd8;
/* SwiftUI */
Color(red: 0.392, green: 0.235, blue: 0.847)
/* Android */
Color.parseColor("#643cd8")Accessibility — WCAG contrast
Aa
#643cd8 on white: 6.60:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#643cd8 on black: 3.18:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green23.5%
Blue84.7%
CMYK percentages
Cyan53.7%
Magenta72.2%
Yellow0.0%
Key (black)15.3%
Color previews
#643cd8 text on a black background
contrast 3.18:1
Card sample
#643cd8 text on a white background
contrast 6.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643cd8;
Background color
Panel with #643cd8 background
background-color: #643cd8;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643cd8;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 60, 216, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 60, 216, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643cd8; background: linear-gradient(135deg, #643cd8, #CC3CD8);