#040c2e
a deep, electric blue · warm · closest name: black
RGB
4, 12, 46
HSL
229°, 84%, 10%
CMYK
91, 74, 0, 82
Luminance
0.0049
Every format
| HEX | #040c2e |
| RGB | rgb(4, 12, 46) |
| HSL | hsl(229, 84%, 10%) |
| CMYK | cmyk(91%, 74%, 0%, 82%) |
| LAB | lab(4.4 8.7 -22.8) |
| LCH | lch(4.4 24.4 290.9) |
| OKLCH | oklch(0.174 0.070 266.7) |
Copy-ready code
/* CSS */
color: #040c2e;
background-color: #040c2e;
/* Tailwind (arbitrary) */
class="text-[#040c2e] bg-[#040c2e]"
/* SCSS */
$brand: #040c2e;
/* SwiftUI */
Color(red: 0.016, green: 0.047, blue: 0.180)
/* Android */
Color.parseColor("#040c2e")Accessibility — WCAG contrast
Aa
#040c2e on white: 19.14:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#040c2e on black: 1.10:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green4.7%
Blue18.0%
CMYK percentages
Cyan91.3%
Magenta73.9%
Yellow0.0%
Key (black)82.0%
Color previews
#040c2e text on a black background
contrast 1.10:1
Card sample
#040c2e text on a white background
contrast 19.14:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #040c2e;
Background color
Panel with #040c2e background
background-color: #040c2e;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #040c2e;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 12, 46, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 12, 46, 0.45);
Border & gradient
Gradient panel
border: 3px solid #040c2e; background: linear-gradient(135deg, #040c2e, #18042E);