#643eb0
a balanced, vivid violet · warm · closest name: slateblue
RGB
100, 62, 176
HSL
260°, 48%, 47%
CMYK
43, 65, 0, 31
Luminance
0.0929
Every format
| HEX | #643eb0 |
| RGB | rgb(100, 62, 176) |
| HSL | hsl(260, 48%, 47%) |
| CMYK | cmyk(43%, 65%, 0%, 31%) |
| LAB | lab(36.5 42.6 -55.1) |
| LCH | lch(36.5 69.7 307.7) |
| OKLCH | oklch(0.471 0.172 294.1) |
Copy-ready code
/* CSS */
color: #643eb0;
background-color: #643eb0;
/* Tailwind (arbitrary) */
class="text-[#643eb0] bg-[#643eb0]"
/* SCSS */
$brand: #643eb0;
/* SwiftUI */
Color(red: 0.392, green: 0.243, blue: 0.690)
/* Android */
Color.parseColor("#643eb0")Accessibility — WCAG contrast
Aa
#643eb0 on white: 7.35:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#643eb0 on black: 2.86:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green24.3%
Blue69.0%
CMYK percentages
Cyan43.2%
Magenta64.8%
Yellow0.0%
Key (black)31.0%
Color previews
#643eb0 text on a black background
contrast 2.86:1
Card sample
#643eb0 text on a white background
contrast 7.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643eb0;
Background color
Panel with #643eb0 background
background-color: #643eb0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643eb0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 62, 176, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 62, 176, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643eb0; background: linear-gradient(135deg, #643eb0, #B03EB0);