#663dff
a balanced, electric blue · warm · closest name: blue
RGB
102, 61, 255
HSL
253°, 100%, 62%
CMYK
60, 76, 0, 0
Luminance
0.1338
Every format
| HEX | #663dff |
| RGB | rgb(102, 61, 255) |
| HSL | hsl(253, 100%, 62%) |
| CMYK | cmyk(60%, 76%, 0%, 0%) |
| LAB | lab(43.3 65.4 -89.4) |
| LCH | lch(43.3 110.8 306.2) |
| OKLCH | oklch(0.541 0.264 282.7) |
Copy-ready code
/* CSS */
color: #663dff;
background-color: #663dff;
/* Tailwind (arbitrary) */
class="text-[#663dff] bg-[#663dff]"
/* SCSS */
$brand: #663dff;
/* SwiftUI */
Color(red: 0.400, green: 0.239, blue: 1.000)
/* Android */
Color.parseColor("#663dff")Accessibility — WCAG contrast
Aa
#663dff on white: 5.71:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#663dff on black: 3.68:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green23.9%
Blue100.0%
CMYK percentages
Cyan60.0%
Magenta76.1%
Yellow0.0%
Key (black)0.0%
Color previews
#663dff text on a black background
contrast 3.68:1
Card sample
#663dff text on a white background
contrast 5.71:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #663dff;
Background color
Panel with #663dff background
background-color: #663dff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #663dff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 61, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 61, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #663dff; background: linear-gradient(135deg, #663dff, #E73DFF);