#640baf
a dark, electric violet · warm · closest name: indigo
RGB
100, 11, 175
HSL
273°, 88%, 37%
CMYK
43, 94, 0, 31
Luminance
0.0604
Every format
| HEX | #640baf |
| RGB | rgb(100, 11, 175) |
| HSL | hsl(273, 88%, 37%) |
| CMYK | cmyk(43%, 94%, 0%, 31%) |
| LAB | lab(29.5 62.1 -66.0) |
| LCH | lch(29.5 90.6 313.3) |
| OKLCH | oklch(0.422 0.218 300.0) |
Copy-ready code
/* CSS */
color: #640baf;
background-color: #640baf;
/* Tailwind (arbitrary) */
class="text-[#640baf] bg-[#640baf]"
/* SCSS */
$brand: #640baf;
/* SwiftUI */
Color(red: 0.392, green: 0.043, blue: 0.686)
/* Android */
Color.parseColor("#640baf")Accessibility — WCAG contrast
Aa
#640baf on white: 9.51:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#640baf on black: 2.21:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green4.3%
Blue68.6%
CMYK percentages
Cyan42.9%
Magenta93.7%
Yellow0.0%
Key (black)31.4%
Color previews
#640baf text on a black background
contrast 2.21:1
Card sample
#640baf text on a white background
contrast 9.51:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #640baf;
Background color
Panel with #640baf background
background-color: #640baf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #640baf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 11, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 11, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #640baf; background: linear-gradient(135deg, #640baf, #AF0B8D);