#640cd1
a dark, electric violet · warm · closest name: blue
RGB
100, 12, 209
HSL
267°, 89%, 43%
CMYK
52, 94, 0, 18
Luminance
0.0758
Every format
| HEX | #640cd1 |
| RGB | rgb(100, 12, 209) |
| HSL | hsl(267, 89%, 43%) |
| CMYK | cmyk(52%, 94%, 0%, 18%) |
| LAB | lab(33.1 69.6 -80.1) |
| LCH | lch(33.1 106.1 311.0) |
| OKLCH | oklch(0.456 0.249 292.1) |
Copy-ready code
/* CSS */
color: #640cd1;
background-color: #640cd1;
/* Tailwind (arbitrary) */
class="text-[#640cd1] bg-[#640cd1]"
/* SCSS */
$brand: #640cd1;
/* SwiftUI */
Color(red: 0.392, green: 0.047, blue: 0.820)
/* Android */
Color.parseColor("#640cd1")Accessibility — WCAG contrast
Aa
#640cd1 on white: 8.35:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#640cd1 on black: 2.52:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green4.7%
Blue82.0%
CMYK percentages
Cyan52.2%
Magenta94.3%
Yellow0.0%
Key (black)18.0%
Color previews
#640cd1 text on a black background
contrast 2.52:1
Card sample
#640cd1 text on a white background
contrast 8.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #640cd1;
Background color
Panel with #640cd1 background
background-color: #640cd1;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #640cd1;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 12, 209, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 12, 209, 0.45);
Border & gradient
Gradient panel
border: 3px solid #640cd1; background: linear-gradient(135deg, #640cd1, #D10CBA);