#640eb9
a dark, electric violet · warm · closest name: indigo
RGB
100, 14, 185
HSL
270°, 86%, 39%
CMYK
46, 92, 0, 28
Luminance
0.0653
Every format
| HEX | #640eb9 |
| RGB | rgb(100, 14, 185) |
| HSL | hsl(270, 86%, 39%) |
| CMYK | cmyk(46%, 92%, 0%, 28%) |
| LAB | lab(30.7 63.8 -70.0) |
| LCH | lch(30.7 94.7 312.4) |
| OKLCH | oklch(0.433 0.226 297.4) |
Copy-ready code
/* CSS */
color: #640eb9;
background-color: #640eb9;
/* Tailwind (arbitrary) */
class="text-[#640eb9] bg-[#640eb9]"
/* SCSS */
$brand: #640eb9;
/* SwiftUI */
Color(red: 0.392, green: 0.055, blue: 0.725)
/* Android */
Color.parseColor("#640eb9")Accessibility — WCAG contrast
Aa
#640eb9 on white: 9.11:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#640eb9 on black: 2.31:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green5.5%
Blue72.5%
CMYK percentages
Cyan45.9%
Magenta92.4%
Yellow0.0%
Key (black)27.5%
Color previews
#640eb9 text on a black background
contrast 2.31:1
Card sample
#640eb9 text on a white background
contrast 9.11:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #640eb9;
Background color
Panel with #640eb9 background
background-color: #640eb9;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #640eb9;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 14, 185, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 14, 185, 0.45);
Border & gradient
Gradient panel
border: 3px solid #640eb9; background: linear-gradient(135deg, #640eb9, #B90E9C);