#643eb1
a balanced, vivid violet · warm · closest name: slateblue
RGB
100, 62, 177
HSL
260°, 48%, 47%
CMYK
44, 65, 0, 31
Luminance
0.0933
Every format
| HEX | #643eb1 |
| RGB | rgb(100, 62, 177) |
| HSL | hsl(260, 48%, 47%) |
| CMYK | cmyk(44%, 65%, 0%, 31%) |
| LAB | lab(36.6 42.9 -55.6) |
| LCH | lch(36.6 70.2 307.7) |
| OKLCH | oklch(0.472 0.174 293.9) |
Copy-ready code
/* CSS */
color: #643eb1;
background-color: #643eb1;
/* Tailwind (arbitrary) */
class="text-[#643eb1] bg-[#643eb1]"
/* SCSS */
$brand: #643eb1;
/* SwiftUI */
Color(red: 0.392, green: 0.243, blue: 0.694)
/* Android */
Color.parseColor("#643eb1")Accessibility — WCAG contrast
Aa
#643eb1 on white: 7.33:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#643eb1 on black: 2.87:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green24.3%
Blue69.4%
CMYK percentages
Cyan43.5%
Magenta65.0%
Yellow0.0%
Key (black)30.6%
Color previews
#643eb1 text on a black background
contrast 2.87:1
Card sample
#643eb1 text on a white background
contrast 7.33:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643eb1;
Background color
Panel with #643eb1 background
background-color: #643eb1;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643eb1;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 62, 177, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 62, 177, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643eb1; background: linear-gradient(135deg, #643eb1, #B13EB1);