#664af1
a balanced, electric blue · warm · closest name: slateblue
RGB
102, 74, 241
HSL
250°, 86%, 62%
CMYK
58, 69, 0, 6
Luminance
0.1407
Every format
| HEX | #664af1 |
| RGB | rgb(102, 74, 241) |
| HSL | hsl(250, 86%, 62%) |
| CMYK | cmyk(58%, 69%, 0%, 6%) |
| LAB | lab(44.3 55.1 -79.9) |
| LCH | lch(44.3 97.0 304.6) |
| OKLCH | oklch(0.544 0.236 282.9) |
Copy-ready code
/* CSS */
color: #664af1;
background-color: #664af1;
/* Tailwind (arbitrary) */
class="text-[#664af1] bg-[#664af1]"
/* SCSS */
$brand: #664af1;
/* SwiftUI */
Color(red: 0.400, green: 0.290, blue: 0.945)
/* Android */
Color.parseColor("#664af1")Accessibility — WCAG contrast
Aa
#664af1 on white: 5.51:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#664af1 on black: 3.81:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green29.0%
Blue94.5%
CMYK percentages
Cyan57.7%
Magenta69.3%
Yellow0.0%
Key (black)5.5%
Color previews
#664af1 text on a black background
contrast 3.81:1
Card sample
#664af1 text on a white background
contrast 5.51:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #664af1;
Background color
Panel with #664af1 background
background-color: #664af1;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #664af1;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 74, 241, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 74, 241, 0.45);
Border & gradient
Gradient panel
border: 3px solid #664af1; background: linear-gradient(135deg, #664af1, #D54AF1);