#181c21
a deep, soft blue · cool · closest name: black
RGB
24, 28, 33
HSL
213°, 16%, 11%
CMYK
27, 15, 0, 87
Luminance
0.0113
Every format
| HEX | #181c21 |
| RGB | rgb(24, 28, 33) |
| HSL | hsl(213, 16%, 11%) |
| CMYK | cmyk(27%, 15%, 0%, 87%) |
| LAB | lab(10.1 -0.4 -4.1) |
| LCH | lch(10.1 4.1 264.2) |
| OKLCH | oklch(0.225 0.011 254.1) |
Copy-ready code
/* CSS */
color: #181c21;
background-color: #181c21;
/* Tailwind (arbitrary) */
class="text-[#181c21] bg-[#181c21]"
/* SCSS */
$brand: #181c21;
/* SwiftUI */
Color(red: 0.094, green: 0.110, blue: 0.129)
/* Android */
Color.parseColor("#181c21")Accessibility — WCAG contrast
Aa
#181c21 on white: 17.12:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#181c21 on black: 1.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.4%
Green11.0%
Blue12.9%
CMYK percentages
Cyan27.3%
Magenta15.2%
Yellow0.0%
Key (black)87.1%
Color previews
#181c21 text on a black background
contrast 1.23:1
Card sample
#181c21 text on a white background
contrast 17.12:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #181c21;
Background color
Panel with #181c21 background
background-color: #181c21;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #181c21;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(24, 28, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 28, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #181c21; background: linear-gradient(135deg, #181c21, #1A1821);