#0366ba
a dark, electric blue · cool · closest name: dodgerblue
RGB
3, 102, 186
HSL
208°, 97%, 37%
CMYK
98, 45, 0, 27
Luminance
0.1307
Every format
| HEX | #0366ba |
| RGB | rgb(3, 102, 186) |
| HSL | hsl(208, 97%, 37%) |
| CMYK | cmyk(98%, 45%, 0%, 27%) |
| LAB | lab(42.9 8.1 -51.0) |
| LCH | lch(42.9 51.6 279.0) |
| OKLCH | oklch(0.509 0.154 252.6) |
Copy-ready code
/* CSS */
color: #0366ba;
background-color: #0366ba;
/* Tailwind (arbitrary) */
class="text-[#0366ba] bg-[#0366ba]"
/* SCSS */
$brand: #0366ba;
/* SwiftUI */
Color(red: 0.012, green: 0.400, blue: 0.729)
/* Android */
Color.parseColor("#0366ba")Accessibility — WCAG contrast
Aa
#0366ba on white: 5.81:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#0366ba on black: 3.61:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.2%
Green40.0%
Blue72.9%
CMYK percentages
Cyan98.4%
Magenta45.2%
Yellow0.0%
Key (black)27.1%
Color previews
#0366ba text on a black background
contrast 3.61:1
Card sample
#0366ba text on a white background
contrast 5.81:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0366ba;
Background color
Panel with #0366ba background
background-color: #0366ba;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0366ba;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(3, 102, 186, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(3, 102, 186, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0366ba; background: linear-gradient(135deg, #0366ba, #1A03BA);