#663fd2
a balanced, vivid violet · warm · closest name: slateblue
RGB
102, 63, 210
HSL
256°, 62%, 54%
CMYK
51, 70, 0, 18
Luminance
0.1103
Every format
| HEX | #663fd2 |
| RGB | rgb(102, 63, 210) |
| HSL | hsl(256, 62%, 54%) |
| CMYK | cmyk(51%, 70%, 0%, 18%) |
| LAB | lab(39.6 52.0 -69.9) |
| LCH | lch(39.6 87.1 306.6) |
| OKLCH | oklch(0.502 0.212 288.5) |
Copy-ready code
/* CSS */
color: #663fd2;
background-color: #663fd2;
/* Tailwind (arbitrary) */
class="text-[#663fd2] bg-[#663fd2]"
/* SCSS */
$brand: #663fd2;
/* SwiftUI */
Color(red: 0.400, green: 0.247, blue: 0.824)
/* Android */
Color.parseColor("#663fd2")Accessibility — WCAG contrast
Aa
#663fd2 on white: 6.55:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#663fd2 on black: 3.21:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green24.7%
Blue82.4%
CMYK percentages
Cyan51.4%
Magenta70.0%
Yellow0.0%
Key (black)17.6%
Color previews
#663fd2 text on a black background
contrast 3.21:1
Card sample
#663fd2 text on a white background
contrast 6.55:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #663fd2;
Background color
Panel with #663fd2 background
background-color: #663fd2;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #663fd2;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 63, 210, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 63, 210, 0.45);
Border & gradient
Gradient panel
border: 3px solid #663fd2; background: linear-gradient(135deg, #663fd2, #C83FD2);