#640df5
a balanced, electric violet · warm · closest name: blue
RGB
100, 13, 245
HSL
263°, 92%, 51%
CMYK
59, 95, 0, 4
Luminance
0.0959
Every format
| HEX | #640df5 |
| RGB | rgb(100, 13, 245) |
| HSL | hsl(263, 92%, 51%) |
| CMYK | cmyk(59%, 95%, 0%, 4%) |
| LAB | lab(37.1 77.6 -94.1) |
| LCH | lch(37.1 122.0 309.5) |
| OKLCH | oklch(0.495 0.282 285.9) |
Copy-ready code
/* CSS */
color: #640df5;
background-color: #640df5;
/* Tailwind (arbitrary) */
class="text-[#640df5] bg-[#640df5]"
/* SCSS */
$brand: #640df5;
/* SwiftUI */
Color(red: 0.392, green: 0.051, blue: 0.961)
/* Android */
Color.parseColor("#640df5")Accessibility — WCAG contrast
Aa
#640df5 on white: 7.20:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#640df5 on black: 2.92:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green5.1%
Blue96.1%
CMYK percentages
Cyan59.2%
Magenta94.7%
Yellow0.0%
Key (black)3.9%
Color previews
#640df5 text on a black background
contrast 2.92:1
Card sample
#640df5 text on a white background
contrast 7.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #640df5;
Background color
Panel with #640df5 background
background-color: #640df5;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #640df5;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 13, 245, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 13, 245, 0.45);
Border & gradient
Gradient panel
border: 3px solid #640df5; background: linear-gradient(135deg, #640df5, #F50DEB);