#04092b
a deep, electric blue · warm · closest name: black
RGB
4, 9, 43
HSL
232°, 83%, 9%
CMYK
91, 79, 0, 83
Luminance
0.0040
Every format
| HEX | #04092b |
| RGB | rgb(4, 9, 43) |
| HSL | hsl(232, 83%, 9%) |
| CMYK | cmyk(91%, 79%, 0%, 83%) |
| LAB | lab(3.6 8.5 -21.8) |
| LCH | lch(3.6 23.4 291.3) |
| OKLCH | oklch(0.163 0.069 268.7) |
Copy-ready code
/* CSS */
color: #04092b;
background-color: #04092b;
/* Tailwind (arbitrary) */
class="text-[#04092b] bg-[#04092b]"
/* SCSS */
$brand: #04092b;
/* SwiftUI */
Color(red: 0.016, green: 0.035, blue: 0.169)
/* Android */
Color.parseColor("#04092b")Accessibility — WCAG contrast
Aa
#04092b on white: 19.46:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#04092b on black: 1.08:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green3.5%
Blue16.9%
CMYK percentages
Cyan90.7%
Magenta79.1%
Yellow0.0%
Key (black)83.1%
Color previews
#04092b text on a black background
contrast 1.08:1
Card sample
#04092b text on a white background
contrast 19.46:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #04092b;
Background color
Panel with #04092b background
background-color: #04092b;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #04092b;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 9, 43, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 9, 43, 0.45);
Border & gradient
Gradient panel
border: 3px solid #04092b; background: linear-gradient(135deg, #04092b, #19042B);