#042821
a deep, electric cyan · cool · closest name: darkslategray
RGB
4, 40, 33
HSL
168°, 82%, 9%
CMYK
90, 0, 18, 84
Luminance
0.0165
Every format
| HEX | #042821 |
| RGB | rgb(4, 40, 33) |
| HSL | hsl(168, 82%, 9%) |
| CMYK | cmyk(90%, 0%, 18%, 84%) |
| LAB | lab(13.6 -14.8 1.0) |
| LCH | lch(13.6 14.9 176.3) |
| OKLCH | oklch(0.249 0.043 176.9) |
Copy-ready code
/* CSS */
color: #042821;
background-color: #042821;
/* Tailwind (arbitrary) */
class="text-[#042821] bg-[#042821]"
/* SCSS */
$brand: #042821;
/* SwiftUI */
Color(red: 0.016, green: 0.157, blue: 0.129)
/* Android */
Color.parseColor("#042821")Accessibility — WCAG contrast
Aa
#042821 on white: 15.78:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#042821 on black: 1.33:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.6%
Green15.7%
Blue12.9%
CMYK percentages
Cyan90.0%
Magenta0.0%
Yellow17.5%
Key (black)84.3%
Color previews
#042821 text on a black background
contrast 1.33:1
Card sample
#042821 text on a white background
contrast 15.78:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #042821;
Background color
Panel with #042821 background
background-color: #042821;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #042821;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(4, 40, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(4, 40, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #042821; background: linear-gradient(135deg, #042821, #041728);