#0a0421
a deep, electric blue · warm · closest name: black
RGB
10, 4, 33
HSL
252°, 78%, 7%
CMYK
70, 88, 0, 87
Luminance
0.0026
Every format
| HEX | #0a0421 |
| RGB | rgb(10, 4, 33) |
| HSL | hsl(252, 78%, 7%) |
| CMYK | cmyk(70%, 88%, 0%, 87%) |
| LAB | lab(2.4 8.0 -15.9) |
| LCH | lch(2.4 17.8 296.6) |
| OKLCH | oklch(0.144 0.060 287.7) |
Copy-ready code
/* CSS */
color: #0a0421;
background-color: #0a0421;
/* Tailwind (arbitrary) */
class="text-[#0a0421] bg-[#0a0421]"
/* SCSS */
$brand: #0a0421;
/* SwiftUI */
Color(red: 0.039, green: 0.016, blue: 0.129)
/* Android */
Color.parseColor("#0a0421")Accessibility — WCAG contrast
Aa
#0a0421 on white: 19.96:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0a0421 on black: 1.05:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red3.9%
Green1.6%
Blue12.9%
CMYK percentages
Cyan69.7%
Magenta87.9%
Yellow0.0%
Key (black)87.1%
Color previews
#0a0421 text on a black background
contrast 1.05:1
Card sample
#0a0421 text on a white background
contrast 19.96:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0a0421;
Background color
Panel with #0a0421 background
background-color: #0a0421;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0a0421;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(10, 4, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(10, 4, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0a0421; background: linear-gradient(135deg, #0a0421, #1E0421);