#375bdf
a balanced, vivid blue · warm · closest name: royalblue
RGB
55, 91, 223
HSL
227°, 72%, 55%
CMYK
75, 59, 0, 13
Luminance
0.1362
Every format
| HEX | #375bdf |
| RGB | rgb(55, 91, 223) |
| HSL | hsl(227, 72%, 55%) |
| CMYK | cmyk(75%, 59%, 0%, 13%) |
| LAB | lab(43.7 33.2 -70.9) |
| LCH | lch(43.7 78.3 295.1) |
| OKLCH | oklch(0.527 0.205 267.2) |
Copy-ready code
/* CSS */
color: #375bdf;
background-color: #375bdf;
/* Tailwind (arbitrary) */
class="text-[#375bdf] bg-[#375bdf]"
/* SCSS */
$brand: #375bdf;
/* SwiftUI */
Color(red: 0.216, green: 0.357, blue: 0.875)
/* Android */
Color.parseColor("#375bdf")Accessibility — WCAG contrast
Aa
#375bdf on white: 5.64:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#375bdf on black: 3.72:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green35.7%
Blue87.5%
CMYK percentages
Cyan75.3%
Magenta59.2%
Yellow0.0%
Key (black)12.5%
Color previews
#375bdf text on a black background
contrast 3.72:1
Card sample
#375bdf text on a white background
contrast 5.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #375bdf;
Background color
Panel with #375bdf background
background-color: #375bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #375bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 91, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 91, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #375bdf; background: linear-gradient(135deg, #375bdf, #8337DF);