#643fd3
a balanced, vivid violet · warm · closest name: slateblue
RGB
100, 63, 211
HSL
255°, 63%, 54%
CMYK
53, 70, 0, 17
Luminance
0.1097
Every format
| HEX | #643fd3 |
| RGB | rgb(100, 63, 211) |
| HSL | hsl(255, 63%, 54%) |
| CMYK | cmyk(53%, 70%, 0%, 17%) |
| LAB | lab(39.5 51.9 -70.7) |
| LCH | lch(39.5 87.7 306.3) |
| OKLCH | oklch(0.501 0.213 287.5) |
Copy-ready code
/* CSS */
color: #643fd3;
background-color: #643fd3;
/* Tailwind (arbitrary) */
class="text-[#643fd3] bg-[#643fd3]"
/* SCSS */
$brand: #643fd3;
/* SwiftUI */
Color(red: 0.392, green: 0.247, blue: 0.827)
/* Android */
Color.parseColor("#643fd3")Accessibility — WCAG contrast
Aa
#643fd3 on white: 6.58:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#643fd3 on black: 3.19:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green24.7%
Blue82.7%
CMYK percentages
Cyan52.6%
Magenta70.1%
Yellow0.0%
Key (black)17.3%
Color previews
#643fd3 text on a black background
contrast 3.19:1
Card sample
#643fd3 text on a white background
contrast 6.58:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643fd3;
Background color
Panel with #643fd3 background
background-color: #643fd3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643fd3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 63, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 63, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643fd3; background: linear-gradient(135deg, #643fd3, #C73FD3);