#000a66
a deep, electric blue · warm · closest name: midnightblue
RGB
0, 10, 102
HSL
234°, 100%, 20%
CMYK
100, 90, 0, 60
Luminance
0.0118
Every format
| HEX | #000a66 |
| RGB | rgb(0, 10, 102) |
| HSL | hsl(234, 100%, 20%) |
| CMYK | cmyk(100%, 90%, 0%, 60%) |
| LAB | lab(10.4 35.1 -52.1) |
| LCH | lch(10.4 62.9 304.0) |
| OKLCH | oklch(0.242 0.152 264.2) |
Copy-ready code
/* CSS */
color: #000a66;
background-color: #000a66;
/* Tailwind (arbitrary) */
class="text-[#000a66] bg-[#000a66]"
/* SCSS */
$brand: #000a66;
/* SwiftUI */
Color(red: 0.000, green: 0.039, blue: 0.400)
/* Android */
Color.parseColor("#000a66")Accessibility — WCAG contrast
Aa
#000a66 on white: 17.00:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#000a66 on black: 1.24:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green3.9%
Blue40.0%
CMYK percentages
Cyan100.0%
Magenta90.2%
Yellow0.0%
Key (black)60.0%
Color previews
#000a66 text on a black background
contrast 1.24:1
Card sample
#000a66 text on a white background
contrast 17.00:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #000a66;
Background color
Panel with #000a66 background
background-color: #000a66;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #000a66;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 10, 102, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 10, 102, 0.45);
Border & gradient
Gradient panel
border: 3px solid #000a66; background: linear-gradient(135deg, #000a66, #3A0066);