#042f21
a deep, electric cyan · cool · closest name: darkslategray
RGB
4, 47, 33
HSL
161°, 84%, 10%
CMYK
92, 0, 30, 82
Luminance
0.0217
Every format
| HEX | #042f21 |
| RGB | rgb(4, 47, 33) |
| HSL | hsl(161, 84%, 10%) |
| CMYK | cmyk(92%, 0%, 30%, 82%) |
| LAB | lab(16.4 -18.6 5.0) |
| LCH | lch(16.4 19.3 165.1) |
| OKLCH | oklch(0.272 0.053 166.2) |
Copy-ready code
/* CSS */
color: #042f21;
background-color: #042f21;
/* Tailwind (arbitrary) */
class="text-[#042f21] bg-[#042f21]"
/* SCSS */
$brand: #042f21;
/* SwiftUI */
Color(red: 0.016, green: 0.184, blue: 0.129)
/* Android */
Color.parseColor("#042f21")Accessibility — WCAG contrast
Aa
#042f21 on white: 14.65:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#042f21 on black: 1.43:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green18.4%
Blue12.9%
CMYK percentages
Cyan91.5%
Magenta0.0%
Yellow29.8%
Key (black)81.6%
Color previews
#042f21 text on a black background
contrast 1.43:1
Card sample
#042f21 text on a white background
contrast 14.65:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #042f21;
Background color
Panel with #042f21 background
background-color: #042f21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #042f21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 47, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 47, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #042f21; background: linear-gradient(135deg, #042f21, #04202F);