#378dfb
a balanced, electric blue · cool · closest name: dodgerblue
RGB
55, 141, 251
HSL
214°, 96%, 60%
CMYK
78, 44, 0, 2
Luminance
0.2683
Every format
| HEX | #378dfb |
| RGB | rgb(55, 141, 251) |
| HSL | hsl(214, 96%, 60%) |
| CMYK | cmyk(78%, 44%, 0%, 2%) |
| LAB | lab(58.8 12.2 -62.1) |
| LCH | lch(58.8 63.3 281.1) |
| OKLCH | oklch(0.648 0.183 256.4) |
Copy-ready code
/* CSS */
color: #378dfb;
background-color: #378dfb;
/* Tailwind (arbitrary) */
class="text-[#378dfb] bg-[#378dfb]"
/* SCSS */
$brand: #378dfb;
/* SwiftUI */
Color(red: 0.216, green: 0.553, blue: 0.984)
/* Android */
Color.parseColor("#378dfb")Accessibility — WCAG contrast
Aa
#378dfb on white: 3.30:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#378dfb on black: 6.37:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green55.3%
Blue98.4%
CMYK percentages
Cyan78.1%
Magenta43.8%
Yellow0.0%
Key (black)1.6%
Color previews
#378dfb text on a black background
contrast 6.37:1
Card sample
#378dfb text on a white background
contrast 3.30:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #378dfb;
Background color
Panel with #378dfb background
background-color: #378dfb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #378dfb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 141, 251, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 141, 251, 0.45);
Border & gradient
Gradient panel
border: 3px solid #378dfb; background: linear-gradient(135deg, #378dfb, #6437FB);