#3939fd
a balanced, electric blue · warm · closest name: blue
RGB
57, 57, 253
HSL
240°, 98%, 61%
CMYK
78, 78, 0, 1
Luminance
0.1089
Every format
| HEX | #3939fd |
| RGB | rgb(57, 57, 253) |
| HSL | hsl(240, 98%, 61%) |
| CMYK | cmyk(78%, 78%, 0%, 1%) |
| LAB | lab(39.4 62.9 -94.9) |
| LCH | lch(39.4 113.8 303.6) |
| OKLCH | oklch(0.505 0.275 270.9) |
Copy-ready code
/* CSS */
color: #3939fd;
background-color: #3939fd;
/* Tailwind (arbitrary) */
class="text-[#3939fd] bg-[#3939fd]"
/* SCSS */
$brand: #3939fd;
/* SwiftUI */
Color(red: 0.224, green: 0.224, blue: 0.992)
/* Android */
Color.parseColor("#3939fd")Accessibility — WCAG contrast
Aa
#3939fd on white: 6.61:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3939fd on black: 3.18:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green22.4%
Blue99.2%
CMYK percentages
Cyan77.5%
Magenta77.5%
Yellow0.0%
Key (black)0.8%
Color previews
#3939fd text on a black background
contrast 3.18:1
Card sample
#3939fd text on a white background
contrast 6.61:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3939fd;
Background color
Panel with #3939fd background
background-color: #3939fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3939fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 57, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 57, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3939fd; background: linear-gradient(135deg, #3939fd, #BC39FD);