#3900e6
a balanced, electric blue · warm · closest name: blue
RGB
57, 0, 230
HSL
255°, 100%, 45%
CMYK
75, 100, 0, 10
Luminance
0.0658
Every format
| HEX | #3900e6 |
| RGB | rgb(57, 0, 230) |
| HSL | hsl(255, 100%, 45%) |
| CMYK | cmyk(75%, 100%, 0%, 10%) |
| LAB | lab(30.8 74.0 -96.1) |
| LCH | lch(30.8 121.3 307.6) |
| OKLCH | oklch(0.438 0.278 273.9) |
Copy-ready code
/* CSS */
color: #3900e6;
background-color: #3900e6;
/* Tailwind (arbitrary) */
class="text-[#3900e6] bg-[#3900e6]"
/* SCSS */
$brand: #3900e6;
/* SwiftUI */
Color(red: 0.224, green: 0.000, blue: 0.902)
/* Android */
Color.parseColor("#3900e6")Accessibility — WCAG contrast
Aa
#3900e6 on white: 9.06:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3900e6 on black: 2.32:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green0.0%
Blue90.2%
CMYK percentages
Cyan75.2%
Magenta100.0%
Yellow0.0%
Key (black)9.8%
Color previews
#3900e6 text on a black background
contrast 2.32:1
Card sample
#3900e6 text on a white background
contrast 9.06:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3900e6;
Background color
Panel with #3900e6 background
background-color: #3900e6;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3900e6;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 0, 230, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 0, 230, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3900e6; background: linear-gradient(135deg, #3900e6, #D200E6);