#643df9
a balanced, electric blue · warm · closest name: blue
RGB
100, 61, 249
HSL
252°, 94%, 61%
CMYK
60, 76, 0, 2
Luminance
0.1289
Every format
| HEX | #643df9 |
| RGB | rgb(100, 61, 249) |
| HSL | hsl(252, 94%, 61%) |
| CMYK | cmyk(60%, 76%, 0%, 2%) |
| LAB | lab(42.6 63.6 -87.3) |
| LCH | lch(42.6 108.0 306.1) |
| OKLCH | oklch(0.533 0.258 282.8) |
Copy-ready code
/* CSS */
color: #643df9;
background-color: #643df9;
/* Tailwind (arbitrary) */
class="text-[#643df9] bg-[#643df9]"
/* SCSS */
$brand: #643df9;
/* SwiftUI */
Color(red: 0.392, green: 0.239, blue: 0.976)
/* Android */
Color.parseColor("#643df9")Accessibility — WCAG contrast
Aa
#643df9 on white: 5.87:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#643df9 on black: 3.58:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green23.9%
Blue97.6%
CMYK percentages
Cyan59.8%
Magenta75.5%
Yellow0.0%
Key (black)2.4%
Color previews
#643df9 text on a black background
contrast 3.58:1
Card sample
#643df9 text on a white background
contrast 5.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643df9;
Background color
Panel with #643df9 background
background-color: #643df9;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643df9;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 61, 249, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 61, 249, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643df9; background: linear-gradient(135deg, #643df9, #E13DF9);