#3f66fd
a balanced, electric blue · warm · closest name: royalblue
RGB
63, 102, 253
HSL
228°, 98%, 62%
CMYK
75, 60, 0, 1
Luminance
0.1765
Every format
| HEX | #3f66fd |
| RGB | rgb(63, 102, 253) |
| HSL | hsl(228, 98%, 62%) |
| CMYK | cmyk(75%, 60%, 0%, 1%) |
| LAB | lab(49.1 37.9 -78.9) |
| LCH | lch(49.1 87.5 295.6) |
| OKLCH | oklch(0.575 0.228 267.4) |
Copy-ready code
/* CSS */
color: #3f66fd;
background-color: #3f66fd;
/* Tailwind (arbitrary) */
class="text-[#3f66fd] bg-[#3f66fd]"
/* SCSS */
$brand: #3f66fd;
/* SwiftUI */
Color(red: 0.247, green: 0.400, blue: 0.992)
/* Android */
Color.parseColor("#3f66fd")Accessibility — WCAG contrast
Aa
#3f66fd on white: 4.64:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f66fd on black: 4.53:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green40.0%
Blue99.2%
CMYK percentages
Cyan75.1%
Magenta59.7%
Yellow0.0%
Key (black)0.8%
Color previews
#3f66fd text on a black background
contrast 4.53:1
Card sample
#3f66fd text on a white background
contrast 4.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f66fd;
Background color
Panel with #3f66fd background
background-color: #3f66fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f66fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 102, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 102, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f66fd; background: linear-gradient(135deg, #3f66fd, #973FFD);