#355bdf
a balanced, vivid blue · warm · closest name: royalblue
RGB
53, 91, 223
HSL
227°, 73%, 54%
CMYK
76, 59, 0, 13
Luminance
0.1357
Every format
| HEX | #355bdf |
| RGB | rgb(53, 91, 223) |
| HSL | hsl(227, 73%, 54%) |
| CMYK | cmyk(76%, 59%, 0%, 13%) |
| LAB | lab(43.6 33.0 -71.0) |
| LCH | lch(43.6 78.3 294.9) |
| OKLCH | oklch(0.526 0.206 266.7) |
Copy-ready code
/* CSS */
color: #355bdf;
background-color: #355bdf;
/* Tailwind (arbitrary) */
class="text-[#355bdf] bg-[#355bdf]"
/* SCSS */
$brand: #355bdf;
/* SwiftUI */
Color(red: 0.208, green: 0.357, blue: 0.875)
/* Android */
Color.parseColor("#355bdf")Accessibility — WCAG contrast
Aa
#355bdf on white: 5.66:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#355bdf on black: 3.71:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.8%
Green35.7%
Blue87.5%
CMYK percentages
Cyan76.2%
Magenta59.2%
Yellow0.0%
Key (black)12.5%
Color previews
#355bdf text on a black background
contrast 3.71:1
Card sample
#355bdf text on a white background
contrast 5.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #355bdf;
Background color
Panel with #355bdf background
background-color: #355bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #355bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(53, 91, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(53, 91, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #355bdf; background: linear-gradient(135deg, #355bdf, #8035DF);