#664df2
a balanced, electric blue · warm · closest name: slateblue
RGB
102, 77, 242
HSL
249°, 86%, 63%
CMYK
58, 68, 0, 5
Luminance
0.1454
Every format
| HEX | #664df2 |
| RGB | rgb(102, 77, 242) |
| HSL | hsl(249, 86%, 63%) |
| CMYK | cmyk(58%, 68%, 0%, 5%) |
| LAB | lab(45.0 53.8 -79.4) |
| LCH | lch(45.0 95.9 304.1) |
| OKLCH | oklch(0.549 0.234 282.4) |
Copy-ready code
/* CSS */
color: #664df2;
background-color: #664df2;
/* Tailwind (arbitrary) */
class="text-[#664df2] bg-[#664df2]"
/* SCSS */
$brand: #664df2;
/* SwiftUI */
Color(red: 0.400, green: 0.302, blue: 0.949)
/* Android */
Color.parseColor("#664df2")Accessibility — WCAG contrast
Aa
#664df2 on white: 5.37:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#664df2 on black: 3.91:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green30.2%
Blue94.9%
CMYK percentages
Cyan57.9%
Magenta68.2%
Yellow0.0%
Key (black)5.1%
Color previews
#664df2 text on a black background
contrast 3.91:1
Card sample
#664df2 text on a white background
contrast 5.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #664df2;
Background color
Panel with #664df2 background
background-color: #664df2;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #664df2;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 77, 242, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 77, 242, 0.45);
Border & gradient
Gradient panel
border: 3px solid #664df2; background: linear-gradient(135deg, #664df2, #D44DF2);