#0066aa
a dark, electric blue · cool · closest name: steelblue
RGB
0, 102, 170
HSL
204°, 100%, 33%
CMYK
100, 40, 0, 33
Luminance
0.1241
Every format
| HEX | #0066aa |
| RGB | rgb(0, 102, 170) |
| HSL | hsl(204, 100%, 33%) |
| CMYK | cmyk(100%, 40%, 0%, 33%) |
| LAB | lab(41.9 1.5 -43.2) |
| LCH | lch(41.9 43.3 272.0) |
| OKLCH | oklch(0.498 0.134 247.9) |
Copy-ready code
/* CSS */
color: #0066aa;
background-color: #0066aa;
/* Tailwind (arbitrary) */
class="text-[#0066aa] bg-[#0066aa]"
/* SCSS */
$brand: #0066aa;
/* SwiftUI */
Color(red: 0.000, green: 0.400, blue: 0.667)
/* Android */
Color.parseColor("#0066aa")Accessibility — WCAG contrast
Aa
#0066aa on white: 6.03:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#0066aa on black: 3.48:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green40.0%
Blue66.7%
CMYK percentages
Cyan100.0%
Magenta40.0%
Yellow0.0%
Key (black)33.3%
Color previews
#0066aa text on a black background
contrast 3.48:1
Card sample
#0066aa text on a white background
contrast 6.03:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0066aa;
Background color
Panel with #0066aa background
background-color: #0066aa;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0066aa;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 102, 170, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 102, 170, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0066aa; background: linear-gradient(135deg, #0066aa, #0B00AA);