#040c2f
a deep, electric blue · warm · closest name: black
RGB
4, 12, 47
HSL
229°, 84%, 10%
CMYK
92, 75, 0, 82
Luminance
0.0049
Every format
| HEX | #040c2f |
| RGB | rgb(4, 12, 47) |
| HSL | hsl(229, 84%, 10%) |
| CMYK | cmyk(92%, 75%, 0%, 82%) |
| LAB | lab(4.5 9.2 -23.4) |
| LCH | lch(4.5 25.1 291.5) |
| OKLCH | oklch(0.175 0.071 266.7) |
Copy-ready code
/* CSS */
color: #040c2f;
background-color: #040c2f;
/* Tailwind (arbitrary) */
class="text-[#040c2f] bg-[#040c2f]"
/* SCSS */
$brand: #040c2f;
/* SwiftUI */
Color(red: 0.016, green: 0.047, blue: 0.184)
/* Android */
Color.parseColor("#040c2f")Accessibility — WCAG contrast
Aa
#040c2f on white: 19.11:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#040c2f on black: 1.10:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green4.7%
Blue18.4%
CMYK percentages
Cyan91.5%
Magenta74.5%
Yellow0.0%
Key (black)81.6%
Color previews
#040c2f text on a black background
contrast 1.10:1
Card sample
#040c2f text on a white background
contrast 19.11:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #040c2f;
Background color
Panel with #040c2f background
background-color: #040c2f;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #040c2f;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 12, 47, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 12, 47, 0.45);
Border & gradient
Gradient panel
border: 3px solid #040c2f; background: linear-gradient(135deg, #040c2f, #19042F);