#040f11
a deep, vivid cyan · cool · closest name: black
RGB
4, 15, 17
HSL
189°, 62%, 4%
CMYK
77, 12, 0, 93
Luminance
0.0041
Every format
| HEX | #040f11 |
| RGB | rgb(4, 15, 17) |
| HSL | hsl(189, 62%, 4%) |
| CMYK | cmyk(77%, 12%, 0%, 93%) |
| LAB | lab(3.7 -2.7 -2.1) |
| LCH | lch(3.7 3.4 218.1) |
| OKLCH | oklch(0.158 0.018 208.9) |
Copy-ready code
/* CSS */
color: #040f11;
background-color: #040f11;
/* Tailwind (arbitrary) */
class="text-[#040f11] bg-[#040f11]"
/* SCSS */
$brand: #040f11;
/* SwiftUI */
Color(red: 0.016, green: 0.059, blue: 0.067)
/* Android */
Color.parseColor("#040f11")Accessibility — WCAG contrast
Aa
#040f11 on white: 19.42:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#040f11 on black: 1.08:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green5.9%
Blue6.7%
CMYK percentages
Cyan76.5%
Magenta11.8%
Yellow0.0%
Key (black)93.3%
Color previews
#040f11 text on a black background
contrast 1.08:1
Card sample
#040f11 text on a white background
contrast 19.42:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #040f11;
Background color
Panel with #040f11 background
background-color: #040f11;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #040f11;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 15, 17, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 15, 17, 0.45);
Border & gradient
Gradient panel
border: 3px solid #040f11; background: linear-gradient(135deg, #040f11, #040611);