#663dbb
a balanced, vivid violet · warm · closest name: slateblue
RGB
102, 61, 187
HSL
260°, 51%, 49%
CMYK
46, 67, 0, 27
Luminance
0.0975
Every format
| HEX | #663dbb |
| RGB | rgb(102, 61, 187) |
| HSL | hsl(260, 51%, 49%) |
| CMYK | cmyk(46%, 67%, 0%, 27%) |
| LAB | lab(37.4 46.6 -60.2) |
| LCH | lch(37.4 76.1 307.7) |
| OKLCH | oklch(0.481 0.187 293.0) |
Copy-ready code
/* CSS */
color: #663dbb;
background-color: #663dbb;
/* Tailwind (arbitrary) */
class="text-[#663dbb] bg-[#663dbb]"
/* SCSS */
$brand: #663dbb;
/* SwiftUI */
Color(red: 0.400, green: 0.239, blue: 0.733)
/* Android */
Color.parseColor("#663dbb")Accessibility — WCAG contrast
Aa
#663dbb on white: 7.12:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#663dbb on black: 2.95:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green23.9%
Blue73.3%
CMYK percentages
Cyan45.5%
Magenta67.4%
Yellow0.0%
Key (black)26.7%
Color previews
#663dbb text on a black background
contrast 2.95:1
Card sample
#663dbb text on a white background
contrast 7.12:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #663dbb;
Background color
Panel with #663dbb background
background-color: #663dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #663dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 61, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 61, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #663dbb; background: linear-gradient(135deg, #663dbb, #BA3DBB);