#0a1521
a deep, vivid blue · cool · closest name: black
RGB
10, 21, 33
HSL
211°, 54%, 8%
CMYK
70, 36, 0, 87
Luminance
0.0071
Every format
| HEX | #0a1521 |
| RGB | rgb(10, 21, 33) |
| HSL | hsl(211, 54%, 8%) |
| CMYK | cmyk(70%, 36%, 0%, 87%) |
| LAB | lab(6.4 -0.3 -9.7) |
| LCH | lch(6.4 9.7 268.2) |
| OKLCH | oklch(0.192 0.029 251.6) |
Copy-ready code
/* CSS */
color: #0a1521;
background-color: #0a1521;
/* Tailwind (arbitrary) */
class="text-[#0a1521] bg-[#0a1521]"
/* SCSS */
$brand: #0a1521;
/* SwiftUI */
Color(red: 0.039, green: 0.082, blue: 0.129)
/* Android */
Color.parseColor("#0a1521")Accessibility — WCAG contrast
Aa
#0a1521 on white: 18.39:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0a1521 on black: 1.14:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red3.9%
Green8.2%
Blue12.9%
CMYK percentages
Cyan69.7%
Magenta36.4%
Yellow0.0%
Key (black)87.1%
Color previews
#0a1521 text on a black background
contrast 1.14:1
Card sample
#0a1521 text on a white background
contrast 18.39:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0a1521;
Background color
Panel with #0a1521 background
background-color: #0a1521;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0a1521;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(10, 21, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(10, 21, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0a1521; background: linear-gradient(135deg, #0a1521, #0E0A21);