#663dfd
a balanced, electric blue · warm · closest name: blue
RGB
102, 61, 253
HSL
253°, 98%, 62%
CMYK
60, 76, 0, 1
Luminance
0.1325
Every format
| HEX | #663dfd |
| RGB | rgb(102, 61, 253) |
| HSL | hsl(253, 98%, 62%) |
| CMYK | cmyk(60%, 76%, 0%, 1%) |
| LAB | lab(43.1 64.9 -88.6) |
| LCH | lch(43.1 109.8 306.2) |
| OKLCH | oklch(0.539 0.262 283.0) |
Copy-ready code
/* CSS */
color: #663dfd;
background-color: #663dfd;
/* Tailwind (arbitrary) */
class="text-[#663dfd] bg-[#663dfd]"
/* SCSS */
$brand: #663dfd;
/* SwiftUI */
Color(red: 0.400, green: 0.239, blue: 0.992)
/* Android */
Color.parseColor("#663dfd")Accessibility — WCAG contrast
Aa
#663dfd on white: 5.75:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#663dfd on black: 3.65:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green23.9%
Blue99.2%
CMYK percentages
Cyan59.7%
Magenta75.9%
Yellow0.0%
Key (black)0.8%
Color previews
#663dfd text on a black background
contrast 3.65:1
Card sample
#663dfd text on a white background
contrast 5.75:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #663dfd;
Background color
Panel with #663dfd background
background-color: #663dfd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #663dfd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 61, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 61, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #663dfd; background: linear-gradient(135deg, #663dfd, #E63DFD);