#633cdb
a balanced, vivid blue · warm · closest name: slateblue
RGB
99, 60, 219
HSL
255°, 69%, 55%
CMYK
55, 73, 0, 14
Luminance
0.1100
Every format
| HEX | #633cdb |
| RGB | rgb(99, 60, 219) |
| HSL | hsl(255, 69%, 55%) |
| CMYK | cmyk(55%, 73%, 0%, 14%) |
| LAB | lab(39.6 55.6 -75.2) |
| LCH | lch(39.6 93.5 306.5) |
| OKLCH | oklch(0.504 0.226 286.4) |
Copy-ready code
/* CSS */
color: #633cdb;
background-color: #633cdb;
/* Tailwind (arbitrary) */
class="text-[#633cdb] bg-[#633cdb]"
/* SCSS */
$brand: #633cdb;
/* SwiftUI */
Color(red: 0.388, green: 0.235, blue: 0.859)
/* Android */
Color.parseColor("#633cdb")Accessibility — WCAG contrast
Aa
#633cdb on white: 6.56:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#633cdb on black: 3.20:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red38.8%
Green23.5%
Blue85.9%
CMYK percentages
Cyan54.8%
Magenta72.6%
Yellow0.0%
Key (black)14.1%
Color previews
#633cdb text on a black background
contrast 3.20:1
Card sample
#633cdb text on a white background
contrast 6.56:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #633cdb;
Background color
Panel with #633cdb background
background-color: #633cdb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #633cdb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(99, 60, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(99, 60, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #633cdb; background: linear-gradient(135deg, #633cdb, #CD3CDB);