#644591
a dark, soft violet · warm · closest name: slateblue
RGB
100, 69, 145
HSL
265°, 36%, 42%
CMYK
31, 52, 0, 43
Luminance
0.0901
Every format
| HEX | #644591 |
| RGB | rgb(100, 69, 145) |
| HSL | hsl(265, 36%, 42%) |
| CMYK | cmyk(31%, 52%, 0%, 43%) |
| LAB | lab(36.0 30.1 -37.3) |
| LCH | lch(36.0 47.9 308.9) |
| OKLCH | oklch(0.461 0.122 300.5) |
Copy-ready code
/* CSS */
color: #644591;
background-color: #644591;
/* Tailwind (arbitrary) */
class="text-[#644591] bg-[#644591]"
/* SCSS */
$brand: #644591;
/* SwiftUI */
Color(red: 0.392, green: 0.271, blue: 0.569)
/* Android */
Color.parseColor("#644591")Accessibility — WCAG contrast
Aa
#644591 on white: 7.49:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#644591 on black: 2.80:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green27.1%
Blue56.9%
CMYK percentages
Cyan31.0%
Magenta52.4%
Yellow0.0%
Key (black)43.1%
Color previews
#644591 text on a black background
contrast 2.80:1
Card sample
#644591 text on a white background
contrast 7.49:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #644591;
Background color
Panel with #644591 background
background-color: #644591;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #644591;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 69, 145, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 69, 145, 0.45);
Border & gradient
Gradient panel
border: 3px solid #644591; background: linear-gradient(135deg, #644591, #91458B);