#3905ff
a balanced, electric blue · warm · closest name: blue
RGB
57, 5, 255
HSL
253°, 100%, 51%
CMYK
78, 98, 0, 0
Luminance
0.0820
Every format
| HEX | #3905ff |
| RGB | rgb(57, 5, 255) |
| HSL | hsl(253, 100%, 51%) |
| CMYK | cmyk(78%, 98%, 0%, 0%) |
| LAB | lab(34.4 79.1 -104.3) |
| LCH | lch(34.4 130.9 307.2) |
| OKLCH | oklch(0.471 0.301 272.0) |
Copy-ready code
/* CSS */
color: #3905ff;
background-color: #3905ff;
/* Tailwind (arbitrary) */
class="text-[#3905ff] bg-[#3905ff]"
/* SCSS */
$brand: #3905ff;
/* SwiftUI */
Color(red: 0.224, green: 0.020, blue: 1.000)
/* Android */
Color.parseColor("#3905ff")Accessibility — WCAG contrast
Aa
#3905ff on white: 7.96:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3905ff on black: 2.64:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green2.0%
Blue100.0%
CMYK percentages
Cyan77.6%
Magenta98.0%
Yellow0.0%
Key (black)0.0%
Color previews
#3905ff text on a black background
contrast 2.64:1
Card sample
#3905ff text on a white background
contrast 7.96:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3905ff;
Background color
Panel with #3905ff background
background-color: #3905ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3905ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 5, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 5, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3905ff; background: linear-gradient(135deg, #3905ff, #E005FF);