#355df0
a balanced, electric blue · warm · closest name: royalblue
RGB
53, 93, 240
HSL
227°, 86%, 58%
CMYK
78, 61, 0, 6
Luminance
0.1488
Every format
| HEX | #355df0 |
| RGB | rgb(53, 93, 240) |
| HSL | hsl(227, 86%, 58%) |
| CMYK | cmyk(78%, 61%, 0%, 6%) |
| LAB | lab(45.5 37.9 -77.6) |
| LCH | lch(45.5 86.3 296.0) |
| OKLCH | oklch(0.544 0.225 266.7) |
Copy-ready code
/* CSS */
color: #355df0;
background-color: #355df0;
/* Tailwind (arbitrary) */
class="text-[#355df0] bg-[#355df0]"
/* SCSS */
$brand: #355df0;
/* SwiftUI */
Color(red: 0.208, green: 0.365, blue: 0.941)
/* Android */
Color.parseColor("#355df0")Accessibility — WCAG contrast
Aa
#355df0 on white: 5.28:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#355df0 on black: 3.98:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.8%
Green36.5%
Blue94.1%
CMYK percentages
Cyan77.9%
Magenta61.2%
Yellow0.0%
Key (black)5.9%
Color previews
#355df0 text on a black background
contrast 3.98:1
Card sample
#355df0 text on a white background
contrast 5.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #355df0;
Background color
Panel with #355df0 background
background-color: #355df0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #355df0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(53, 93, 240, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(53, 93, 240, 0.45);
Border & gradient
Gradient panel
border: 3px solid #355df0; background: linear-gradient(135deg, #355df0, #8A35F0);