#040d52
a deep, electric blue · warm · closest name: midnightblue
RGB
4, 13, 82
HSL
233°, 91%, 17%
CMYK
95, 84, 0, 68
Luminance
0.0092
Every format
| HEX | #040d52 |
| RGB | rgb(4, 13, 82) |
| HSL | hsl(233, 91%, 17%) |
| CMYK | cmyk(95%, 84%, 0%, 68%) |
| LAB | lab(8.3 26.3 -42.1) |
| LCH | lch(8.3 49.6 302.0) |
| OKLCH | oklch(0.221 0.122 266.3) |
Copy-ready code
/* CSS */
color: #040d52;
background-color: #040d52;
/* Tailwind (arbitrary) */
class="text-[#040d52] bg-[#040d52]"
/* SCSS */
$brand: #040d52;
/* SwiftUI */
Color(red: 0.016, green: 0.051, blue: 0.322)
/* Android */
Color.parseColor("#040d52")Accessibility — WCAG contrast
Aa
#040d52 on white: 17.73:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#040d52 on black: 1.18:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green5.1%
Blue32.2%
CMYK percentages
Cyan95.1%
Magenta84.1%
Yellow0.0%
Key (black)67.8%
Color previews
#040d52 text on a black background
contrast 1.18:1
Card sample
#040d52 text on a white background
contrast 17.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #040d52;
Background color
Panel with #040d52 background
background-color: #040d52;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #040d52;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 13, 82, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 13, 82, 0.45);
Border & gradient
Gradient panel
border: 3px solid #040d52; background: linear-gradient(135deg, #040d52, #2F0452);