#040c1d
a deep, electric blue · cool · closest name: black
RGB
4, 12, 29
HSL
221°, 76%, 7%
CMYK
86, 59, 0, 89
Luminance
0.0038
Every format
| HEX | #040c1d |
| RGB | rgb(4, 12, 29) |
| HSL | hsl(221, 76%, 7%) |
| CMYK | cmyk(86%, 59%, 0%, 89%) |
| LAB | lab(3.4 1.8 -11.2) |
| LCH | lch(3.4 11.4 279.2) |
| OKLCH | oklch(0.157 0.039 260.9) |
Copy-ready code
/* CSS */
color: #040c1d;
background-color: #040c1d;
/* Tailwind (arbitrary) */
class="text-[#040c1d] bg-[#040c1d]"
/* SCSS */
$brand: #040c1d;
/* SwiftUI */
Color(red: 0.016, green: 0.047, blue: 0.114)
/* Android */
Color.parseColor("#040c1d")Accessibility — WCAG contrast
Aa
#040c1d on white: 19.53:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#040c1d on black: 1.08:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green4.7%
Blue11.4%
CMYK percentages
Cyan86.2%
Magenta58.6%
Yellow0.0%
Key (black)88.6%
Color previews
#040c1d text on a black background
contrast 1.08:1
Card sample
#040c1d text on a white background
contrast 19.53:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #040c1d;
Background color
Panel with #040c1d background
background-color: #040c1d;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #040c1d;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 12, 29, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 12, 29, 0.45);
Border & gradient
Gradient panel
border: 3px solid #040c1d; background: linear-gradient(135deg, #040c1d, #0D041D);