#378eee
a balanced, electric blue · cool · closest name: dodgerblue
RGB
55, 142, 238
HSL
212°, 84%, 58%
CMYK
77, 40, 0, 7
Luminance
0.2633
Every format
| HEX | #378eee |
| RGB | rgb(55, 142, 238) |
| HSL | hsl(212, 84%, 58%) |
| CMYK | cmyk(77%, 40%, 0%, 7%) |
| LAB | lab(58.4 6.9 -55.6) |
| LCH | lch(58.4 56.1 277.1) |
| OKLCH | oklch(0.642 0.166 253.7) |
Copy-ready code
/* CSS */
color: #378eee;
background-color: #378eee;
/* Tailwind (arbitrary) */
class="text-[#378eee] bg-[#378eee]"
/* SCSS */
$brand: #378eee;
/* SwiftUI */
Color(red: 0.216, green: 0.557, blue: 0.933)
/* Android */
Color.parseColor("#378eee")Accessibility — WCAG contrast
Aa
#378eee on white: 3.35:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#378eee on black: 6.27:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green55.7%
Blue93.3%
CMYK percentages
Cyan76.9%
Magenta40.3%
Yellow0.0%
Key (black)6.7%
Color previews
#378eee text on a black background
contrast 6.27:1
Card sample
#378eee text on a white background
contrast 3.35:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #378eee;
Background color
Panel with #378eee background
background-color: #378eee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #378eee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 142, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 142, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #378eee; background: linear-gradient(135deg, #378eee, #5A37EE);