#643fad
a balanced, vivid violet · warm · closest name: slateblue
RGB
100, 63, 173
HSL
260°, 47%, 46%
CMYK
42, 64, 0, 32
Luminance
0.0928
Every format
| HEX | #643fad |
| RGB | rgb(100, 63, 173) |
| HSL | hsl(260, 47%, 46%) |
| CMYK | cmyk(42%, 64%, 0%, 32%) |
| LAB | lab(36.5 41.2 -53.3) |
| LCH | lch(36.5 67.4 307.7) |
| OKLCH | oklch(0.470 0.167 294.6) |
Copy-ready code
/* CSS */
color: #643fad;
background-color: #643fad;
/* Tailwind (arbitrary) */
class="text-[#643fad] bg-[#643fad]"
/* SCSS */
$brand: #643fad;
/* SwiftUI */
Color(red: 0.392, green: 0.247, blue: 0.678)
/* Android */
Color.parseColor("#643fad")Accessibility — WCAG contrast
Aa
#643fad on white: 7.35:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#643fad on black: 2.86:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green24.7%
Blue67.8%
CMYK percentages
Cyan42.2%
Magenta63.6%
Yellow0.0%
Key (black)32.2%
Color previews
#643fad text on a black background
contrast 2.86:1
Card sample
#643fad text on a white background
contrast 7.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643fad;
Background color
Panel with #643fad background
background-color: #643fad;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643fad;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 63, 173, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 63, 173, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643fad; background: linear-gradient(135deg, #643fad, #AD3FAD);