#643ddf
a balanced, vivid blue · warm · closest name: slateblue
RGB
100, 61, 223
HSL
254°, 72%, 56%
CMYK
55, 73, 0, 13
Luminance
0.1137
Every format
| HEX | #643ddf |
| RGB | rgb(100, 61, 223) |
| HSL | hsl(254, 72%, 56%) |
| CMYK | cmyk(55%, 73%, 0%, 13%) |
| LAB | lab(40.2 56.3 -76.5) |
| LCH | lch(40.2 95.0 306.4) |
| OKLCH | oklch(0.509 0.229 286.1) |
Copy-ready code
/* CSS */
color: #643ddf;
background-color: #643ddf;
/* Tailwind (arbitrary) */
class="text-[#643ddf] bg-[#643ddf]"
/* SCSS */
$brand: #643ddf;
/* SwiftUI */
Color(red: 0.392, green: 0.239, blue: 0.875)
/* Android */
Color.parseColor("#643ddf")Accessibility — WCAG contrast
Aa
#643ddf on white: 6.41:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#643ddf on black: 3.27:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green23.9%
Blue87.5%
CMYK percentages
Cyan55.2%
Magenta72.6%
Yellow0.0%
Key (black)12.5%
Color previews
#643ddf text on a black background
contrast 3.27:1
Card sample
#643ddf text on a white background
contrast 6.41:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #643ddf;
Background color
Panel with #643ddf background
background-color: #643ddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #643ddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 61, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 61, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #643ddf; background: linear-gradient(135deg, #643ddf, #D03DDF);