#664ddf
a balanced, vivid blue · warm · closest name: slateblue
RGB
102, 77, 223
HSL
250°, 70%, 59%
CMYK
54, 66, 0, 13
Luminance
0.1346
Every format
| HEX | #664ddf |
| RGB | rgb(102, 77, 223) |
| HSL | hsl(250, 70%, 59%) |
| CMYK | cmyk(54%, 66%, 0%, 13%) |
| LAB | lab(43.5 48.2 -71.2) |
| LCH | lch(43.5 85.9 304.1) |
| OKLCH | oklch(0.533 0.211 284.5) |
Copy-ready code
/* CSS */
color: #664ddf;
background-color: #664ddf;
/* Tailwind (arbitrary) */
class="text-[#664ddf] bg-[#664ddf]"
/* SCSS */
$brand: #664ddf;
/* SwiftUI */
Color(red: 0.400, green: 0.302, blue: 0.875)
/* Android */
Color.parseColor("#664ddf")Accessibility — WCAG contrast
Aa
#664ddf on white: 5.69:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#664ddf on black: 3.69:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green30.2%
Blue87.5%
CMYK percentages
Cyan54.3%
Magenta65.5%
Yellow0.0%
Key (black)12.5%
Color previews
#664ddf text on a black background
contrast 3.69:1
Card sample
#664ddf text on a white background
contrast 5.69:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #664ddf;
Background color
Panel with #664ddf background
background-color: #664ddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #664ddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 77, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 77, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #664ddf; background: linear-gradient(135deg, #664ddf, #C74DDF);