#378ddf
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
55, 141, 223
HSL
209°, 72%, 55%
CMYK
75, 37, 0, 13
Luminance
0.2519
Every format
| HEX | #378ddf |
| RGB | rgb(55, 141, 223) |
| HSL | hsl(209, 72%, 55%) |
| CMYK | cmyk(75%, 37%, 0%, 13%) |
| LAB | lab(57.3 2.1 -49.0) |
| LCH | lch(57.3 49.1 272.4) |
| OKLCH | oklch(0.631 0.148 250.6) |
Copy-ready code
/* CSS */
color: #378ddf;
background-color: #378ddf;
/* Tailwind (arbitrary) */
class="text-[#378ddf] bg-[#378ddf]"
/* SCSS */
$brand: #378ddf;
/* SwiftUI */
Color(red: 0.216, green: 0.553, blue: 0.875)
/* Android */
Color.parseColor("#378ddf")Accessibility — WCAG contrast
Aa
#378ddf on white: 3.48:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#378ddf on black: 6.04:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green55.3%
Blue87.5%
CMYK percentages
Cyan75.3%
Magenta36.8%
Yellow0.0%
Key (black)12.5%
Color previews
#378ddf text on a black background
contrast 6.04:1
Card sample
#378ddf text on a white background
contrast 3.48:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #378ddf;
Background color
Panel with #378ddf background
background-color: #378ddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #378ddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 141, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 141, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #378ddf; background: linear-gradient(135deg, #378ddf, #5137DF);