#042421
a deep, electric cyan · cool · closest name: black
RGB
4, 36, 33
HSL
174°, 80%, 8%
CMYK
89, 0, 8, 86
Luminance
0.0140
Every format
| HEX | #042421 |
| RGB | rgb(4, 36, 33) |
| HSL | hsl(174, 80%, 8%) |
| CMYK | cmyk(89%, 0%, 8%, 86%) |
| LAB | lab(11.9 -12.5 -1.4) |
| LCH | lch(11.9 12.6 186.4) |
| OKLCH | oklch(0.236 0.037 186.1) |
Copy-ready code
/* CSS */
color: #042421;
background-color: #042421;
/* Tailwind (arbitrary) */
class="text-[#042421] bg-[#042421]"
/* SCSS */
$brand: #042421;
/* SwiftUI */
Color(red: 0.016, green: 0.141, blue: 0.129)
/* Android */
Color.parseColor("#042421")Accessibility — WCAG contrast
Aa
#042421 on white: 16.41:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#042421 on black: 1.28:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green14.1%
Blue12.9%
CMYK percentages
Cyan88.9%
Magenta0.0%
Yellow8.3%
Key (black)85.9%
Color previews
#042421 text on a black background
contrast 1.28:1
Card sample
#042421 text on a white background
contrast 16.41:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #042421;
Background color
Panel with #042421 background
background-color: #042421;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #042421;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 36, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 36, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #042421; background: linear-gradient(135deg, #042421, #041224);