#3f37fd
a balanced, electric blue · warm · closest name: blue
RGB
63, 55, 253
HSL
242°, 98%, 60%
CMYK
75, 78, 0, 1
Luminance
0.1088
Every format
| HEX | #3f37fd |
| RGB | rgb(63, 55, 253) |
| HSL | hsl(242, 98%, 60%) |
| CMYK | cmyk(75%, 78%, 0%, 1%) |
| LAB | lab(39.4 64.3 -94.9) |
| LCH | lch(39.4 114.6 304.1) |
| OKLCH | oklch(0.505 0.275 272.4) |
Copy-ready code
/* CSS */
color: #3f37fd;
background-color: #3f37fd;
/* Tailwind (arbitrary) */
class="text-[#3f37fd] bg-[#3f37fd]"
/* SCSS */
$brand: #3f37fd;
/* SwiftUI */
Color(red: 0.247, green: 0.216, blue: 0.992)
/* Android */
Color.parseColor("#3f37fd")Accessibility — WCAG contrast
Aa
#3f37fd on white: 6.61:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f37fd on black: 3.18:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green21.6%
Blue99.2%
CMYK percentages
Cyan75.1%
Magenta78.3%
Yellow0.0%
Key (black)0.8%
Color previews
#3f37fd text on a black background
contrast 3.18:1
Card sample
#3f37fd text on a white background
contrast 6.61:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f37fd;
Background color
Panel with #3f37fd background
background-color: #3f37fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f37fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 55, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 55, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f37fd; background: linear-gradient(135deg, #3f37fd, #C337FD);