#640eb0
a dark, electric violet · warm · closest name: indigo
RGB
100, 14, 176
HSL
272°, 85%, 37%
CMYK
43, 92, 0, 31
Luminance
0.0616
Every format
| HEX | #640eb0 |
| RGB | rgb(100, 14, 176) |
| HSL | hsl(272, 85%, 37%) |
| CMYK | cmyk(43%, 92%, 0%, 31%) |
| LAB | lab(29.8 61.8 -66.1) |
| LCH | lch(29.8 90.5 313.1) |
| OKLCH | oklch(0.424 0.218 299.6) |
Copy-ready code
/* CSS */
color: #640eb0;
background-color: #640eb0;
/* Tailwind (arbitrary) */
class="text-[#640eb0] bg-[#640eb0]"
/* SCSS */
$brand: #640eb0;
/* SwiftUI */
Color(red: 0.392, green: 0.055, blue: 0.690)
/* Android */
Color.parseColor("#640eb0")Accessibility — WCAG contrast
Aa
#640eb0 on white: 9.41:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#640eb0 on black: 2.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green5.5%
Blue69.0%
CMYK percentages
Cyan43.2%
Magenta92.0%
Yellow0.0%
Key (black)31.0%
Color previews
#640eb0 text on a black background
contrast 2.23:1
Card sample
#640eb0 text on a white background
contrast 9.41:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #640eb0;
Background color
Panel with #640eb0 background
background-color: #640eb0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #640eb0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 14, 176, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 14, 176, 0.45);
Border & gradient
Gradient panel
border: 3px solid #640eb0; background: linear-gradient(135deg, #640eb0, #B00E90);