#042221
a deep, electric cyan · cool · closest name: black
RGB
4, 34, 33
HSL
178°, 79%, 8%
CMYK
88, 0, 3, 87
Luminance
0.0128
Every format
| HEX | #042221 |
| RGB | rgb(4, 34, 33) |
| HSL | hsl(178, 79%, 8%) |
| CMYK | cmyk(88%, 0%, 3%, 87%) |
| LAB | lab(11.1 -11.3 -2.6) |
| LCH | lch(11.1 11.6 192.9) |
| OKLCH | oklch(0.230 0.035 191.8) |
Copy-ready code
/* CSS */
color: #042221;
background-color: #042221;
/* Tailwind (arbitrary) */
class="text-[#042221] bg-[#042221]"
/* SCSS */
$brand: #042221;
/* SwiftUI */
Color(red: 0.016, green: 0.133, blue: 0.129)
/* Android */
Color.parseColor("#042221")Accessibility — WCAG contrast
Aa
#042221 on white: 16.72:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#042221 on black: 1.26:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green13.3%
Blue12.9%
CMYK percentages
Cyan88.2%
Magenta0.0%
Yellow2.9%
Key (black)86.7%
Color previews
#042221 text on a black background
contrast 1.26:1
Card sample
#042221 text on a white background
contrast 16.72:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #042221;
Background color
Panel with #042221 background
background-color: #042221;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #042221;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 34, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 34, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #042221; background: linear-gradient(135deg, #042221, #040F22);