#0366ad
a dark, electric blue · cool · closest name: steelblue
RGB
3, 102, 173
HSL
205°, 97%, 35%
CMYK
98, 41, 0, 32
Luminance
0.1254
Every format
| HEX | #0366ad |
| RGB | rgb(3, 102, 173) |
| HSL | hsl(205, 97%, 35%) |
| CMYK | cmyk(98%, 41%, 0%, 32%) |
| LAB | lab(42.1 2.9 -44.7) |
| LCH | lch(42.1 44.8 273.7) |
| OKLCH | oklch(0.500 0.137 249.1) |
Copy-ready code
/* CSS */
color: #0366ad;
background-color: #0366ad;
/* Tailwind (arbitrary) */
class="text-[#0366ad] bg-[#0366ad]"
/* SCSS */
$brand: #0366ad;
/* SwiftUI */
Color(red: 0.012, green: 0.400, blue: 0.678)
/* Android */
Color.parseColor("#0366ad")Accessibility — WCAG contrast
Aa
#0366ad on white: 5.99:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#0366ad on black: 3.51:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.2%
Green40.0%
Blue67.8%
CMYK percentages
Cyan98.3%
Magenta41.0%
Yellow0.0%
Key (black)32.2%
Color previews
#0366ad text on a black background
contrast 3.51:1
Card sample
#0366ad text on a white background
contrast 5.99:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0366ad;
Background color
Panel with #0366ad background
background-color: #0366ad;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0366ad;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(3, 102, 173, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(3, 102, 173, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0366ad; background: linear-gradient(135deg, #0366ad, #1103AD);