#640abc
a dark, electric violet · warm · closest name: indigo
RGB
100, 10, 188
HSL
270°, 90%, 39%
CMYK
47, 95, 0, 26
Luminance
0.0656
Every format
| HEX | #640abc |
| RGB | rgb(100, 10, 188) |
| HSL | hsl(270, 90%, 39%) |
| CMYK | cmyk(47%, 95%, 0%, 26%) |
| LAB | lab(30.8 65.2 -71.6) |
| LCH | lch(30.8 96.8 312.3) |
| OKLCH | oklch(0.434 0.230 296.8) |
Copy-ready code
/* CSS */
color: #640abc;
background-color: #640abc;
/* Tailwind (arbitrary) */
class="text-[#640abc] bg-[#640abc]"
/* SCSS */
$brand: #640abc;
/* SwiftUI */
Color(red: 0.392, green: 0.039, blue: 0.737)
/* Android */
Color.parseColor("#640abc")Accessibility — WCAG contrast
Aa
#640abc on white: 9.09:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#640abc on black: 2.31:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green3.9%
Blue73.7%
CMYK percentages
Cyan46.8%
Magenta94.7%
Yellow0.0%
Key (black)26.3%
Color previews
#640abc text on a black background
contrast 2.31:1
Card sample
#640abc text on a white background
contrast 9.09:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #640abc;
Background color
Panel with #640abc background
background-color: #640abc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #640abc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 10, 188, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 10, 188, 0.45);
Border & gradient
Gradient panel
border: 3px solid #640abc; background: linear-gradient(135deg, #640abc, #BC0A9D);