#633fdf
a balanced, vivid blue · warm · closest name: slateblue
RGB
99, 63, 223
HSL
254°, 71%, 56%
CMYK
56, 72, 0, 13
Luminance
0.1154
Every format
| HEX | #633fdf |
| RGB | rgb(99, 63, 223) |
| HSL | hsl(254, 71%, 56%) |
| CMYK | cmyk(56%, 72%, 0%, 13%) |
| LAB | lab(40.5 55.2 -76.0) |
| LCH | lch(40.5 94.0 306.0) |
| OKLCH | oklch(0.511 0.227 285.4) |
Copy-ready code
/* CSS */
color: #633fdf;
background-color: #633fdf;
/* Tailwind (arbitrary) */
class="text-[#633fdf] bg-[#633fdf]"
/* SCSS */
$brand: #633fdf;
/* SwiftUI */
Color(red: 0.388, green: 0.247, blue: 0.875)
/* Android */
Color.parseColor("#633fdf")Accessibility — WCAG contrast
Aa
#633fdf on white: 6.35:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#633fdf on black: 3.31:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red38.8%
Green24.7%
Blue87.5%
CMYK percentages
Cyan55.6%
Magenta71.7%
Yellow0.0%
Key (black)12.5%
Color previews
#633fdf text on a black background
contrast 3.31:1
Card sample
#633fdf text on a white background
contrast 6.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #633fdf;
Background color
Panel with #633fdf background
background-color: #633fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #633fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(99, 63, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(99, 63, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #633fdf; background: linear-gradient(135deg, #633fdf, #CE3FDF);