#640bc9
a dark, electric violet · warm · closest name: navy
RGB
100, 11, 201
HSL
268°, 90%, 42%
CMYK
50, 95, 0, 21
Luminance
0.0717
Every format
| HEX | #640bc9 |
| RGB | rgb(100, 11, 201) |
| HSL | hsl(268, 90%, 42%) |
| CMYK | cmyk(50%, 95%, 0%, 21%) |
| LAB | lab(32.2 67.9 -77.0) |
| LCH | lch(32.2 102.7 311.4) |
| OKLCH | oklch(0.448 0.242 293.8) |
Copy-ready code
/* CSS */
color: #640bc9;
background-color: #640bc9;
/* Tailwind (arbitrary) */
class="text-[#640bc9] bg-[#640bc9]"
/* SCSS */
$brand: #640bc9;
/* SwiftUI */
Color(red: 0.392, green: 0.043, blue: 0.788)
/* Android */
Color.parseColor("#640bc9")Accessibility — WCAG contrast
Aa
#640bc9 on white: 8.63:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#640bc9 on black: 2.43:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green4.3%
Blue78.8%
CMYK percentages
Cyan50.2%
Magenta94.5%
Yellow0.0%
Key (black)21.2%
Color previews
#640bc9 text on a black background
contrast 2.43:1
Card sample
#640bc9 text on a white background
contrast 8.63:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #640bc9;
Background color
Panel with #640bc9 background
background-color: #640bc9;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #640bc9;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 11, 201, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 11, 201, 0.45);
Border & gradient
Gradient panel
border: 3px solid #640bc9; background: linear-gradient(135deg, #640bc9, #C90BAF);