#040d47
a deep, electric blue · warm · closest name: midnightblue
RGB
4, 13, 71
HSL
232°, 89%, 15%
CMYK
94, 82, 0, 72
Luminance
0.0077
Every format
| HEX | #040d47 |
| RGB | rgb(4, 13, 71) |
| HSL | hsl(232, 89%, 15%) |
| CMYK | cmyk(94%, 82%, 0%, 72%) |
| LAB | lab(6.9 21.6 -36.7) |
| LCH | lch(6.9 42.6 300.5) |
| OKLCH | oklch(0.206 0.107 266.6) |
Copy-ready code
/* CSS */
color: #040d47;
background-color: #040d47;
/* Tailwind (arbitrary) */
class="text-[#040d47] bg-[#040d47]"
/* SCSS */
$brand: #040d47;
/* SwiftUI */
Color(red: 0.016, green: 0.051, blue: 0.278)
/* Android */
Color.parseColor("#040d47")Accessibility — WCAG contrast
Aa
#040d47 on white: 18.20:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#040d47 on black: 1.15:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green5.1%
Blue27.8%
CMYK percentages
Cyan94.4%
Magenta81.7%
Yellow0.0%
Key (black)72.2%
Color previews
#040d47 text on a black background
contrast 1.15:1
Card sample
#040d47 text on a white background
contrast 18.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #040d47;
Background color
Panel with #040d47 background
background-color: #040d47;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #040d47;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 13, 71, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 13, 71, 0.45);
Border & gradient
Gradient panel
border: 3px solid #040d47; background: linear-gradient(135deg, #040d47, #280447);