#355df4
a balanced, electric blue · warm · closest name: royalblue
RGB
53, 93, 244
HSL
227°, 90%, 58%
CMYK
78, 62, 0, 4
Luminance
0.1512
Every format
| HEX | #355df4 |
| RGB | rgb(53, 93, 244) |
| HSL | hsl(227, 90%, 58%) |
| CMYK | cmyk(78%, 62%, 0%, 4%) |
| LAB | lab(45.8 39.3 -79.3) |
| LCH | lch(45.8 88.5 296.4) |
| OKLCH | oklch(0.548 0.230 266.8) |
Copy-ready code
/* CSS */
color: #355df4;
background-color: #355df4;
/* Tailwind (arbitrary) */
class="text-[#355df4] bg-[#355df4]"
/* SCSS */
$brand: #355df4;
/* SwiftUI */
Color(red: 0.208, green: 0.365, blue: 0.957)
/* Android */
Color.parseColor("#355df4")Accessibility — WCAG contrast
Aa
#355df4 on white: 5.22:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#355df4 on black: 4.02:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.8%
Green36.5%
Blue95.7%
CMYK percentages
Cyan78.3%
Magenta61.9%
Yellow0.0%
Key (black)4.3%
Color previews
#355df4 text on a black background
contrast 4.02:1
Card sample
#355df4 text on a white background
contrast 5.22:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #355df4;
Background color
Panel with #355df4 background
background-color: #355df4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #355df4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(53, 93, 244, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(53, 93, 244, 0.45);
Border & gradient
Gradient panel
border: 3px solid #355df4; background: linear-gradient(135deg, #355df4, #8C35F4);