#0366af
a dark, electric blue · cool · closest name: steelblue
RGB
3, 102, 175
HSL
206°, 97%, 35%
CMYK
98, 42, 0, 31
Luminance
0.1262
Every format
| HEX | #0366af |
| RGB | rgb(3, 102, 175) |
| HSL | hsl(206, 97%, 35%) |
| CMYK | cmyk(98%, 42%, 0%, 31%) |
| LAB | lab(42.2 3.7 -45.6) |
| LCH | lch(42.2 45.8 274.6) |
| OKLCH | oklch(0.502 0.140 249.7) |
Copy-ready code
/* CSS */
color: #0366af;
background-color: #0366af;
/* Tailwind (arbitrary) */
class="text-[#0366af] bg-[#0366af]"
/* SCSS */
$brand: #0366af;
/* SwiftUI */
Color(red: 0.012, green: 0.400, blue: 0.686)
/* Android */
Color.parseColor("#0366af")Accessibility — WCAG contrast
Aa
#0366af on white: 5.96:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#0366af on black: 3.52:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.2%
Green40.0%
Blue68.6%
CMYK percentages
Cyan98.3%
Magenta41.7%
Yellow0.0%
Key (black)31.4%
Color previews
#0366af text on a black background
contrast 3.52:1
Card sample
#0366af text on a white background
contrast 5.96:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0366af;
Background color
Panel with #0366af background
background-color: #0366af;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0366af;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(3, 102, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(3, 102, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0366af; background: linear-gradient(135deg, #0366af, #1303AF);