#378cdf
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
55, 140, 223
HSL
210°, 72%, 55%
CMYK
75, 37, 0, 13
Luminance
0.2490
Every format
| HEX | #378cdf |
| RGB | rgb(55, 140, 223) |
| HSL | hsl(210, 72%, 55%) |
| CMYK | cmyk(75%, 37%, 0%, 13%) |
| LAB | lab(57.0 2.7 -49.5) |
| LCH | lch(57.0 49.6 273.1) |
| OKLCH | oklch(0.629 0.149 251.1) |
Copy-ready code
/* CSS */
color: #378cdf;
background-color: #378cdf;
/* Tailwind (arbitrary) */
class="text-[#378cdf] bg-[#378cdf]"
/* SCSS */
$brand: #378cdf;
/* SwiftUI */
Color(red: 0.216, green: 0.549, blue: 0.875)
/* Android */
Color.parseColor("#378cdf")Accessibility — WCAG contrast
Aa
#378cdf on white: 3.51:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#378cdf on black: 5.98:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green54.9%
Blue87.5%
CMYK percentages
Cyan75.3%
Magenta37.2%
Yellow0.0%
Key (black)12.5%
Color previews
#378cdf text on a black background
contrast 5.98:1
Card sample
#378cdf text on a white background
contrast 3.51:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #378cdf;
Background color
Panel with #378cdf background
background-color: #378cdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #378cdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 140, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 140, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #378cdf; background: linear-gradient(135deg, #378cdf, #5237DF);