#04030b
a deep, vivid blue · warm · closest name: black
RGB
4, 3, 11
HSL
248°, 57%, 3%
CMYK
64, 73, 0, 96
Luminance
0.0012
Every format
| HEX | #04030b |
| RGB | rgb(4, 3, 11) |
| HSL | hsl(248, 57%, 3%) |
| CMYK | cmyk(64%, 73%, 0%, 96%) |
| LAB | lab(1.0 1.4 -3.0) |
| LCH | lch(1.0 3.3 295.1) |
| OKLCH | oklch(0.107 0.024 289.8) |
Copy-ready code
/* CSS */
color: #04030b;
background-color: #04030b;
/* Tailwind (arbitrary) */
class="text-[#04030b] bg-[#04030b]"
/* SCSS */
$brand: #04030b;
/* SwiftUI */
Color(red: 0.016, green: 0.012, blue: 0.043)
/* Android */
Color.parseColor("#04030b")Accessibility — WCAG contrast
Aa
#04030b on white: 20.53:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#04030b on black: 1.02:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green1.2%
Blue4.3%
CMYK percentages
Cyan63.6%
Magenta72.7%
Yellow0.0%
Key (black)95.7%
Color previews
#04030b text on a black background
contrast 1.02:1
Card sample
#04030b text on a white background
contrast 20.53:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #04030b;
Background color
Panel with #04030b background
background-color: #04030b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #04030b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 3, 11, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 3, 11, 0.45);
Border & gradient
Gradient panel
border: 3px solid #04030b; background: linear-gradient(135deg, #04030b, #09030B);