#0366ae
a dark, electric blue · cool · closest name: steelblue
RGB
3, 102, 174
HSL
205°, 97%, 35%
CMYK
98, 41, 0, 32
Luminance
0.1258
Every format
| HEX | #0366ae |
| RGB | rgb(3, 102, 174) |
| HSL | hsl(205, 97%, 35%) |
| CMYK | cmyk(98%, 41%, 0%, 32%) |
| LAB | lab(42.1 3.3 -45.2) |
| LCH | lch(42.1 45.3 274.1) |
| OKLCH | oklch(0.501 0.138 249.4) |
Copy-ready code
/* CSS */
color: #0366ae;
background-color: #0366ae;
/* Tailwind (arbitrary) */
class="text-[#0366ae] bg-[#0366ae]"
/* SCSS */
$brand: #0366ae;
/* SwiftUI */
Color(red: 0.012, green: 0.400, blue: 0.682)
/* Android */
Color.parseColor("#0366ae")Accessibility — WCAG contrast
Aa
#0366ae on white: 5.97:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#0366ae on black: 3.52:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.2%
Green40.0%
Blue68.2%
CMYK percentages
Cyan98.3%
Magenta41.4%
Yellow0.0%
Key (black)31.8%
Color previews
#0366ae text on a black background
contrast 3.52:1
Card sample
#0366ae text on a white background
contrast 5.97:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0366ae;
Background color
Panel with #0366ae background
background-color: #0366ae;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0366ae;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(3, 102, 174, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(3, 102, 174, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0366ae; background: linear-gradient(135deg, #0366ae, #1203AE);