#378bc2
a balanced, vivid blue · cool · closest name: steelblue
RGB
55, 139, 194
HSL
204°, 56%, 49%
CMYK
72, 28, 0, 24
Luminance
0.2317
Every format
| HEX | #378bc2 |
| RGB | rgb(55, 139, 194) |
| HSL | hsl(204, 56%, 49%) |
| CMYK | cmyk(72%, 28%, 0%, 24%) |
| LAB | lab(55.3 -7.0 -35.9) |
| LCH | lch(55.3 36.6 258.9) |
| OKLCH | oklch(0.611 0.116 241.2) |
Copy-ready code
/* CSS */
color: #378bc2;
background-color: #378bc2;
/* Tailwind (arbitrary) */
class="text-[#378bc2] bg-[#378bc2]"
/* SCSS */
$brand: #378bc2;
/* SwiftUI */
Color(red: 0.216, green: 0.545, blue: 0.761)
/* Android */
Color.parseColor("#378bc2")Accessibility — WCAG contrast
Aa
#378bc2 on white: 3.73:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#378bc2 on black: 5.63:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green54.5%
Blue76.1%
CMYK percentages
Cyan71.6%
Magenta28.4%
Yellow0.0%
Key (black)23.9%
Color previews
#378bc2 text on a black background
contrast 5.63:1
Card sample
#378bc2 text on a white background
contrast 3.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #378bc2;
Background color
Panel with #378bc2 background
background-color: #378bc2;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #378bc2;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 139, 194, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 139, 194, 0.45);
Border & gradient
Gradient panel
border: 3px solid #378bc2; background: linear-gradient(135deg, #378bc2, #4037C2);