#042721
a deep, electric cyan · cool · closest name: darkslategray
RGB
4, 39, 33
HSL
170°, 81%, 8%
CMYK
90, 0, 15, 85
Luminance
0.0159
Every format
| HEX | #042721 |
| RGB | rgb(4, 39, 33) |
| HSL | hsl(170, 81%, 8%) |
| CMYK | cmyk(90%, 0%, 15%, 85%) |
| LAB | lab(13.2 -14.3 0.4) |
| LCH | lch(13.2 14.3 178.5) |
| OKLCH | oklch(0.246 0.041 178.9) |
Copy-ready code
/* CSS */
color: #042721;
background-color: #042721;
/* Tailwind (arbitrary) */
class="text-[#042721] bg-[#042721]"
/* SCSS */
$brand: #042721;
/* SwiftUI */
Color(red: 0.016, green: 0.153, blue: 0.129)
/* Android */
Color.parseColor("#042721")Accessibility — WCAG contrast
Aa
#042721 on white: 15.94:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#042721 on black: 1.32:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green15.3%
Blue12.9%
CMYK percentages
Cyan89.7%
Magenta0.0%
Yellow15.4%
Key (black)84.7%
Color previews
#042721 text on a black background
contrast 1.32:1
Card sample
#042721 text on a white background
contrast 15.94:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #042721;
Background color
Panel with #042721 background
background-color: #042721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #042721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 39, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 39, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #042721; background: linear-gradient(135deg, #042721, #041627);