#663ddf
a balanced, vivid violet · warm · closest name: slateblue
RGB
102, 61, 223
HSL
255°, 72%, 56%
CMYK
54, 73, 0, 13
Luminance
0.1149
Every format
| HEX | #663ddf |
| RGB | rgb(102, 61, 223) |
| HSL | hsl(255, 72%, 56%) |
| CMYK | cmyk(54%, 73%, 0%, 13%) |
| LAB | lab(40.4 56.6 -76.2) |
| LCH | lch(40.4 94.9 306.6) |
| OKLCH | oklch(0.511 0.229 286.8) |
Copy-ready code
/* CSS */
color: #663ddf;
background-color: #663ddf;
/* Tailwind (arbitrary) */
class="text-[#663ddf] bg-[#663ddf]"
/* SCSS */
$brand: #663ddf;
/* SwiftUI */
Color(red: 0.400, green: 0.239, blue: 0.875)
/* Android */
Color.parseColor("#663ddf")Accessibility — WCAG contrast
Aa
#663ddf on white: 6.37:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#663ddf on black: 3.30:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green23.9%
Blue87.5%
CMYK percentages
Cyan54.3%
Magenta72.6%
Yellow0.0%
Key (black)12.5%
Color previews
#663ddf text on a black background
contrast 3.30:1
Card sample
#663ddf text on a white background
contrast 6.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #663ddf;
Background color
Panel with #663ddf background
background-color: #663ddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #663ddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 61, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 61, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #663ddf; background: linear-gradient(135deg, #663ddf, #D23DDF);