#040d13
a deep, vivid blue · cool · closest name: black
RGB
4, 13, 19
HSL
204°, 65%, 5%
CMYK
79, 32, 0, 93
Luminance
0.0036
Every format
| HEX | #040d13 |
| RGB | rgb(4, 13, 19) |
| HSL | hsl(204, 65%, 5%) |
| CMYK | cmyk(79%, 32%, 0%, 93%) |
| LAB | lab(3.3 -1.3 -4.0) |
| LCH | lch(3.3 4.2 252.0) |
| OKLCH | oklch(0.152 0.020 235.0) |
Copy-ready code
/* CSS */
color: #040d13;
background-color: #040d13;
/* Tailwind (arbitrary) */
class="text-[#040d13] bg-[#040d13]"
/* SCSS */
$brand: #040d13;
/* SwiftUI */
Color(red: 0.016, green: 0.051, blue: 0.075)
/* Android */
Color.parseColor("#040d13")Accessibility — WCAG contrast
Aa
#040d13 on white: 19.59:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#040d13 on black: 1.07:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green5.1%
Blue7.5%
CMYK percentages
Cyan78.9%
Magenta31.6%
Yellow0.0%
Key (black)92.5%
Color previews
#040d13 text on a black background
contrast 1.07:1
Card sample
#040d13 text on a white background
contrast 19.59:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #040d13;
Background color
Panel with #040d13 background
background-color: #040d13;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #040d13;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 13, 19, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 13, 19, 0.45);
Border & gradient
Gradient panel
border: 3px solid #040d13; background: linear-gradient(135deg, #040d13, #050413);