#643df5
a balanced, electric blue · warm · closest name: blue
RGB
100, 61, 245
HSL
253°, 90%, 60%
CMYK
59, 75, 0, 4
Luminance
0.1264
Every format
| HEX | #643df5 |
| RGB | rgb(100, 61, 245) |
| HSL | hsl(253, 90%, 60%) |
| CMYK | cmyk(59%, 75%, 0%, 4%) |
| LAB | lab(42.2 62.5 -85.6) |
| LCH | lch(42.2 106.0 306.1) |
| OKLCH | oklch(0.530 0.254 283.2) |
Copy-ready code
/* CSS */
color: #643df5;
background-color: #643df5;
/* Tailwind (arbitrary) */
class="text-[#643df5] bg-[#643df5]"
/* SCSS */
$brand: #643df5;
/* SwiftUI */
Color(red: 0.392, green: 0.239, blue: 0.961)
/* Android */
Color.parseColor("#643df5")Accessibility — WCAG contrast
Aa
#643df5 on white: 5.95:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#643df5 on black: 3.53:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green23.9%
Blue96.1%
CMYK percentages
Cyan59.2%
Magenta75.1%
Yellow0.0%
Key (black)3.9%
Color previews
#643df5 text on a black background
contrast 3.53:1
Card sample
#643df5 text on a white background
contrast 5.95:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643df5;
Background color
Panel with #643df5 background
background-color: #643df5;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643df5;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 61, 245, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 61, 245, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643df5; background: linear-gradient(135deg, #643df5, #DF3DF5);