#378bdf
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
55, 139, 223
HSL
210°, 72%, 55%
CMYK
75, 38, 0, 13
Luminance
0.2461
Every format
| HEX | #378bdf |
| RGB | rgb(55, 139, 223) |
| HSL | hsl(210, 72%, 55%) |
| CMYK | cmyk(75%, 38%, 0%, 13%) |
| LAB | lab(56.7 3.3 -49.9) |
| LCH | lch(56.7 50.0 273.7) |
| OKLCH | oklch(0.627 0.150 251.5) |
Copy-ready code
/* CSS */
color: #378bdf;
background-color: #378bdf;
/* Tailwind (arbitrary) */
class="text-[#378bdf] bg-[#378bdf]"
/* SCSS */
$brand: #378bdf;
/* SwiftUI */
Color(red: 0.216, green: 0.545, blue: 0.875)
/* Android */
Color.parseColor("#378bdf")Accessibility — WCAG contrast
Aa
#378bdf on white: 3.55:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#378bdf on black: 5.92:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green54.5%
Blue87.5%
CMYK percentages
Cyan75.3%
Magenta37.7%
Yellow0.0%
Key (black)12.5%
Color previews
#378bdf text on a black background
contrast 5.92:1
Card sample
#378bdf text on a white background
contrast 3.55:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #378bdf;
Background color
Panel with #378bdf background
background-color: #378bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #378bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 139, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 139, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #378bdf; background: linear-gradient(135deg, #378bdf, #5337DF);