#643ef1
a balanced, electric blue · warm · closest name: blue
RGB
100, 62, 241
HSL
253°, 87%, 59%
CMYK
59, 74, 0, 6
Luminance
0.1251
Every format
| HEX | #643ef1 |
| RGB | rgb(100, 62, 241) |
| HSL | hsl(253, 87%, 59%) |
| CMYK | cmyk(59%, 74%, 0%, 6%) |
| LAB | lab(42.0 60.9 -83.7) |
| LCH | lch(42.0 103.5 306.0) |
| OKLCH | oklch(0.527 0.248 283.6) |
Copy-ready code
/* CSS */
color: #643ef1;
background-color: #643ef1;
/* Tailwind (arbitrary) */
class="text-[#643ef1] bg-[#643ef1]"
/* SCSS */
$brand: #643ef1;
/* SwiftUI */
Color(red: 0.392, green: 0.243, blue: 0.945)
/* Android */
Color.parseColor("#643ef1")Accessibility — WCAG contrast
Aa
#643ef1 on white: 6.00:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#643ef1 on black: 3.50:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green24.3%
Blue94.5%
CMYK percentages
Cyan58.5%
Magenta74.3%
Yellow0.0%
Key (black)5.5%
Color previews
#643ef1 text on a black background
contrast 3.50:1
Card sample
#643ef1 text on a white background
contrast 6.00:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643ef1;
Background color
Panel with #643ef1 background
background-color: #643ef1;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643ef1;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 62, 241, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 62, 241, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643ef1; background: linear-gradient(135deg, #643ef1, #DB3EF1);