#643bab
a balanced, vivid violet · warm · closest name: slateblue
RGB
100, 59, 171
HSL
262°, 49%, 45%
CMYK
42, 66, 0, 33
Luminance
0.0878
Every format
| HEX | #643bab |
| RGB | rgb(100, 59, 171) |
| HSL | hsl(262, 49%, 45%) |
| CMYK | cmyk(42%, 66%, 0%, 33%) |
| LAB | lab(35.5 42.9 -53.7) |
| LCH | lch(35.5 68.8 308.6) |
| OKLCH | oklch(0.463 0.170 295.9) |
Copy-ready code
/* CSS */
color: #643bab;
background-color: #643bab;
/* Tailwind (arbitrary) */
class="text-[#643bab] bg-[#643bab]"
/* SCSS */
$brand: #643bab;
/* SwiftUI */
Color(red: 0.392, green: 0.231, blue: 0.671)
/* Android */
Color.parseColor("#643bab")Accessibility — WCAG contrast
Aa
#643bab on white: 7.62:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#643bab on black: 2.76:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green23.1%
Blue67.1%
CMYK percentages
Cyan41.5%
Magenta65.5%
Yellow0.0%
Key (black)32.9%
Color previews
#643bab text on a black background
contrast 2.76:1
Card sample
#643bab text on a white background
contrast 7.62:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643bab;
Background color
Panel with #643bab background
background-color: #643bab;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643bab;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 59, 171, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 59, 171, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643bab; background: linear-gradient(135deg, #643bab, #AB3BA7);