#283721
a deep, soft green · cool · closest name: darkslategray
RGB
40, 55, 33
HSL
101°, 25%, 17%
CMYK
27, 0, 40, 78
Luminance
0.0329
Every format
| HEX | #283721 |
| RGB | rgb(40, 55, 33) |
| HSL | hsl(101, 25%, 17%) |
| CMYK | cmyk(27%, 0%, 40%, 78%) |
| LAB | lab(21.2 -11.3 11.9) |
| LCH | lch(21.2 16.4 133.5) |
| OKLCH | oklch(0.317 0.043 136.1) |
Copy-ready code
/* CSS */
color: #283721;
background-color: #283721;
/* Tailwind (arbitrary) */
class="text-[#283721] bg-[#283721]"
/* SCSS */
$brand: #283721;
/* SwiftUI */
Color(red: 0.157, green: 0.216, blue: 0.129)
/* Android */
Color.parseColor("#283721")Accessibility — WCAG contrast
Aa
#283721 on white: 12.66:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#283721 on black: 1.66:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green21.6%
Blue12.9%
CMYK percentages
Cyan27.3%
Magenta0.0%
Yellow40.0%
Key (black)78.4%
Color previews
#283721 text on a black background
contrast 1.66:1
Card sample
#283721 text on a white background
contrast 12.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #283721;
Background color
Panel with #283721 background
background-color: #283721;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #283721;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 55, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 55, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #283721; background: linear-gradient(135deg, #283721, #213729);