#640d97
a dark, electric violet · warm · closest name: indigo
RGB
100, 13, 151
HSL
278°, 84%, 32%
CMYK
34, 91, 0, 41
Luminance
0.0523
Every format
| HEX | #640d97 |
| RGB | rgb(100, 13, 151) |
| HSL | hsl(278, 84%, 32%) |
| CMYK | cmyk(34%, 91%, 0%, 41%) |
| LAB | lab(27.4 56.5 -54.9) |
| LCH | lch(27.4 78.8 315.8) |
| OKLCH | oklch(0.400 0.196 307.0) |
Copy-ready code
/* CSS */
color: #640d97;
background-color: #640d97;
/* Tailwind (arbitrary) */
class="text-[#640d97] bg-[#640d97]"
/* SCSS */
$brand: #640d97;
/* SwiftUI */
Color(red: 0.392, green: 0.051, blue: 0.592)
/* Android */
Color.parseColor("#640d97")Accessibility — WCAG contrast
Aa
#640d97 on white: 10.26:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#640d97 on black: 2.05:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green5.1%
Blue59.2%
CMYK percentages
Cyan33.8%
Magenta91.4%
Yellow0.0%
Key (black)40.8%
Color previews
#640d97 text on a black background
contrast 2.05:1
Card sample
#640d97 text on a white background
contrast 10.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #640d97;
Background color
Panel with #640d97 background
background-color: #640d97;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #640d97;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 13, 151, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 13, 151, 0.45);
Border & gradient
Gradient panel
border: 3px solid #640d97; background: linear-gradient(135deg, #640d97, #970D6E);