#3911fd
a balanced, electric blue · warm · closest name: blue
RGB
57, 17, 253
HSL
250°, 98%, 53%
CMYK
78, 93, 0, 1
Luminance
0.0836
Every format
| HEX | #3911fd |
| RGB | rgb(57, 17, 253) |
| HSL | hsl(250, 98%, 53%) |
| CMYK | cmyk(78%, 93%, 0%, 1%) |
| LAB | lab(34.7 76.8 -102.6) |
| LCH | lch(34.7 128.2 306.8) |
| OKLCH | oklch(0.473 0.297 272.1) |
Copy-ready code
/* CSS */
color: #3911fd;
background-color: #3911fd;
/* Tailwind (arbitrary) */
class="text-[#3911fd] bg-[#3911fd]"
/* SCSS */
$brand: #3911fd;
/* SwiftUI */
Color(red: 0.224, green: 0.067, blue: 0.992)
/* Android */
Color.parseColor("#3911fd")Accessibility — WCAG contrast
Aa
#3911fd on white: 7.86:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3911fd on black: 2.67:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green6.7%
Blue99.2%
CMYK percentages
Cyan77.5%
Magenta93.3%
Yellow0.0%
Key (black)0.8%
Color previews
#3911fd text on a black background
contrast 2.67:1
Card sample
#3911fd text on a white background
contrast 7.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3911fd;
Background color
Panel with #3911fd background
background-color: #3911fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3911fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 17, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 17, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3911fd; background: linear-gradient(135deg, #3911fd, #D611FD);