#04090b
a deep, vivid cyan · cool · closest name: black
RGB
4, 9, 11
HSL
197°, 47%, 3%
CMYK
64, 18, 0, 96
Luminance
0.0025
Every format
| HEX | #04090b |
| RGB | rgb(4, 9, 11) |
| HSL | hsl(197, 47%, 3%) |
| CMYK | cmyk(64%, 18%, 0%, 96%) |
| LAB | lab(2.2 -1.0 -1.2) |
| LCH | lch(2.2 1.6 230.1) |
| OKLCH | oklch(0.134 0.011 219.1) |
Copy-ready code
/* CSS */
color: #04090b;
background-color: #04090b;
/* Tailwind (arbitrary) */
class="text-[#04090b] bg-[#04090b]"
/* SCSS */
$brand: #04090b;
/* SwiftUI */
Color(red: 0.016, green: 0.035, blue: 0.043)
/* Android */
Color.parseColor("#04090b")Accessibility — WCAG contrast
Aa
#04090b on white: 20.02:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#04090b on black: 1.05:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green3.5%
Blue4.3%
CMYK percentages
Cyan63.6%
Magenta18.2%
Yellow0.0%
Key (black)95.7%
Color previews
#04090b text on a black background
contrast 1.05:1
Card sample
#04090b text on a white background
contrast 20.02:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #04090b;
Background color
Panel with #04090b background
background-color: #04090b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #04090b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 9, 11, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 9, 11, 0.45);
Border & gradient
Gradient panel
border: 3px solid #04090b; background: linear-gradient(135deg, #04090b, #04040B);