#181d21
a deep, soft blue · cool · closest name: black
RGB
24, 29, 33
HSL
207°, 16%, 11%
CMYK
27, 12, 0, 87
Luminance
0.0118
Every format
| HEX | #181d21 |
| RGB | rgb(24, 29, 33) |
| HSL | hsl(207, 16%, 11%) |
| CMYK | cmyk(27%, 12%, 0%, 87%) |
| LAB | lab(10.4 -1.1 -3.5) |
| LCH | lch(10.4 3.7 251.9) |
| OKLCH | oklch(0.227 0.011 242.2) |
Copy-ready code
/* CSS */
color: #181d21;
background-color: #181d21;
/* Tailwind (arbitrary) */
class="text-[#181d21] bg-[#181d21]"
/* SCSS */
$brand: #181d21;
/* SwiftUI */
Color(red: 0.094, green: 0.114, blue: 0.129)
/* Android */
Color.parseColor("#181d21")Accessibility — WCAG contrast
Aa
#181d21 on white: 16.98:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#181d21 on black: 1.24:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.4%
Green11.4%
Blue12.9%
CMYK percentages
Cyan27.3%
Magenta12.1%
Yellow0.0%
Key (black)87.1%
Color previews
#181d21 text on a black background
contrast 1.24:1
Card sample
#181d21 text on a white background
contrast 16.98:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #181d21;
Background color
Panel with #181d21 background
background-color: #181d21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #181d21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(24, 29, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 29, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #181d21; background: linear-gradient(135deg, #181d21, #191821);