#375dfb
a balanced, electric blue · warm · closest name: royalblue
RGB
55, 93, 251
HSL
228°, 96%, 60%
CMYK
78, 63, 0, 2
Luminance
0.1561
Every format
| HEX | #375dfb |
| RGB | rgb(55, 93, 251) |
| HSL | hsl(228, 96%, 60%) |
| CMYK | cmyk(78%, 63%, 0%, 2%) |
| LAB | lab(46.5 41.9 -82.1) |
| LCH | lch(46.5 92.2 297.0) |
| OKLCH | oklch(0.555 0.238 267.2) |
Copy-ready code
/* CSS */
color: #375dfb;
background-color: #375dfb;
/* Tailwind (arbitrary) */
class="text-[#375dfb] bg-[#375dfb]"
/* SCSS */
$brand: #375dfb;
/* SwiftUI */
Color(red: 0.216, green: 0.365, blue: 0.984)
/* Android */
Color.parseColor("#375dfb")Accessibility — WCAG contrast
Aa
#375dfb on white: 5.10:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#375dfb on black: 4.12:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green36.5%
Blue98.4%
CMYK percentages
Cyan78.1%
Magenta62.9%
Yellow0.0%
Key (black)1.6%
Color previews
#375dfb text on a black background
contrast 4.12:1
Card sample
#375dfb text on a white background
contrast 5.10:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #375dfb;
Background color
Panel with #375dfb background
background-color: #375dfb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #375dfb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 93, 251, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 93, 251, 0.45);
Border & gradient
Gradient panel
border: 3px solid #375dfb; background: linear-gradient(135deg, #375dfb, #9437FB);