#181e21
a deep, soft blue · cool · closest name: black
RGB
24, 30, 33
HSL
200°, 16%, 11%
CMYK
27, 9, 0, 87
Luminance
0.0123
Every format
| HEX | #181e21 |
| RGB | rgb(24, 30, 33) |
| HSL | hsl(200, 16%, 11%) |
| CMYK | cmyk(27%, 9%, 0%, 87%) |
| LAB | lab(10.8 -1.9 -3.0) |
| LCH | lch(10.8 3.5 237.8) |
| OKLCH | oklch(0.230 0.011 229.4) |
Copy-ready code
/* CSS */
color: #181e21;
background-color: #181e21;
/* Tailwind (arbitrary) */
class="text-[#181e21] bg-[#181e21]"
/* SCSS */
$brand: #181e21;
/* SwiftUI */
Color(red: 0.094, green: 0.118, blue: 0.129)
/* Android */
Color.parseColor("#181e21")Accessibility — WCAG contrast
Aa
#181e21 on white: 16.85:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#181e21 on black: 1.25:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.4%
Green11.8%
Blue12.9%
CMYK percentages
Cyan27.3%
Magenta9.1%
Yellow0.0%
Key (black)87.1%
Color previews
#181e21 text on a black background
contrast 1.25:1
Card sample
#181e21 text on a white background
contrast 16.85:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #181e21;
Background color
Panel with #181e21 background
background-color: #181e21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #181e21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(24, 30, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 30, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #181e21; background: linear-gradient(135deg, #181e21, #181821);