#3947fd
a balanced, electric blue · warm · closest name: blue
RGB
57, 71, 253
HSL
236°, 98%, 61%
CMYK
78, 72, 0, 1
Luminance
0.1247
Every format
| HEX | #3947fd |
| RGB | rgb(57, 71, 253) |
| HSL | hsl(236, 98%, 61%) |
| CMYK | cmyk(78%, 72%, 0%, 1%) |
| LAB | lab(42.0 55.6 -90.7) |
| LCH | lch(42.0 106.4 301.5) |
| OKLCH | oklch(0.523 0.263 270.0) |
Copy-ready code
/* CSS */
color: #3947fd;
background-color: #3947fd;
/* Tailwind (arbitrary) */
class="text-[#3947fd] bg-[#3947fd]"
/* SCSS */
$brand: #3947fd;
/* SwiftUI */
Color(red: 0.224, green: 0.278, blue: 0.992)
/* Android */
Color.parseColor("#3947fd")Accessibility — WCAG contrast
Aa
#3947fd on white: 6.01:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3947fd on black: 3.49:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green27.8%
Blue99.2%
CMYK percentages
Cyan77.5%
Magenta71.9%
Yellow0.0%
Key (black)0.8%
Color previews
#3947fd text on a black background
contrast 3.49:1
Card sample
#3947fd text on a white background
contrast 6.01:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3947fd;
Background color
Panel with #3947fd background
background-color: #3947fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3947fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 71, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 71, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3947fd; background: linear-gradient(135deg, #3947fd, #AE39FD);