#663ccc
a balanced, vivid violet · warm · closest name: slateblue
RGB
102, 60, 204
HSL
258°, 59%, 52%
CMYK
50, 71, 0, 20
Luminance
0.1042
Every format
| HEX | #663ccc |
| RGB | rgb(102, 60, 204) |
| HSL | hsl(258, 59%, 52%) |
| CMYK | cmyk(50%, 71%, 0%, 20%) |
| LAB | lab(38.6 51.8 -68.2) |
| LCH | lch(38.6 85.7 307.2) |
| OKLCH | oklch(0.493 0.208 289.9) |
Copy-ready code
/* CSS */
color: #663ccc;
background-color: #663ccc;
/* Tailwind (arbitrary) */
class="text-[#663ccc] bg-[#663ccc]"
/* SCSS */
$brand: #663ccc;
/* SwiftUI */
Color(red: 0.400, green: 0.235, blue: 0.800)
/* Android */
Color.parseColor("#663ccc")Accessibility — WCAG contrast
Aa
#663ccc on white: 6.81:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#663ccc on black: 3.08:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green23.5%
Blue80.0%
CMYK percentages
Cyan50.0%
Magenta70.6%
Yellow0.0%
Key (black)20.0%
Color previews
#663ccc text on a black background
contrast 3.08:1
Card sample
#663ccc text on a white background
contrast 6.81:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #663ccc;
Background color
Panel with #663ccc background
background-color: #663ccc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #663ccc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 60, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 60, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #663ccc; background: linear-gradient(135deg, #663ccc, #C63CCC);