#640fba
a dark, electric violet · warm · closest name: indigo
RGB
100, 15, 186
HSL
270°, 85%, 39%
CMYK
46, 92, 0, 27
Luminance
0.0660
Every format
| HEX | #640fba |
| RGB | rgb(100, 15, 186) |
| HSL | hsl(270, 85%, 39%) |
| CMYK | cmyk(46%, 92%, 0%, 27%) |
| LAB | lab(30.9 63.8 -70.3) |
| LCH | lch(30.9 95.0 312.2) |
| OKLCH | oklch(0.434 0.226 297.1) |
Copy-ready code
/* CSS */
color: #640fba;
background-color: #640fba;
/* Tailwind (arbitrary) */
class="text-[#640fba] bg-[#640fba]"
/* SCSS */
$brand: #640fba;
/* SwiftUI */
Color(red: 0.392, green: 0.059, blue: 0.729)
/* Android */
Color.parseColor("#640fba")Accessibility — WCAG contrast
Aa
#640fba on white: 9.05:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#640fba on black: 2.32:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green5.9%
Blue72.9%
CMYK percentages
Cyan46.2%
Magenta91.9%
Yellow0.0%
Key (black)27.1%
Color previews
#640fba text on a black background
contrast 2.32:1
Card sample
#640fba text on a white background
contrast 9.05:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #640fba;
Background color
Panel with #640fba background
background-color: #640fba;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #640fba;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 15, 186, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 15, 186, 0.45);
Border & gradient
Gradient panel
border: 3px solid #640fba; background: linear-gradient(135deg, #640fba, #BA0F9E);