#0a2139
a deep, vivid blue · cool · closest name: black
RGB
10, 33, 57
HSL
211°, 70%, 13%
CMYK
83, 42, 0, 78
Luminance
0.0145
Every format
| HEX | #0a2139 |
| RGB | rgb(10, 33, 57) |
| HSL | hsl(211, 70%, 13%) |
| CMYK | cmyk(83%, 42%, 0%, 78%) |
| LAB | lab(12.3 0.9 -18.2) |
| LCH | lch(12.3 18.2 272.9) |
| OKLCH | oklch(0.244 0.054 251.8) |
Copy-ready code
/* CSS */
color: #0a2139;
background-color: #0a2139;
/* Tailwind (arbitrary) */
class="text-[#0a2139] bg-[#0a2139]"
/* SCSS */
$brand: #0a2139;
/* SwiftUI */
Color(red: 0.039, green: 0.129, blue: 0.224)
/* Android */
Color.parseColor("#0a2139")Accessibility — WCAG contrast
Aa
#0a2139 on white: 16.29:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0a2139 on black: 1.29:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red3.9%
Green12.9%
Blue22.4%
CMYK percentages
Cyan82.5%
Magenta42.1%
Yellow0.0%
Key (black)77.6%
Color previews
#0a2139 text on a black background
contrast 1.29:1
Card sample
#0a2139 text on a white background
contrast 16.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0a2139;
Background color
Panel with #0a2139 background
background-color: #0a2139;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0a2139;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(10, 33, 57, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(10, 33, 57, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0a2139; background: linear-gradient(135deg, #0a2139, #120A39);