#3573eb
a balanced, electric blue · cool · closest name: royalblue
RGB
53, 115, 235
HSL
220°, 82%, 57%
CMYK
77, 51, 0, 8
Luminance
0.1902
Every format
| HEX | #3573eb |
| RGB | rgb(53, 115, 235) |
| HSL | hsl(220, 82%, 57%) |
| CMYK | cmyk(77%, 51%, 0%, 8%) |
| LAB | lab(50.7 22.2 -66.3) |
| LCH | lch(50.7 69.9 288.5) |
| OKLCH | oklch(0.583 0.193 261.9) |
Copy-ready code
/* CSS */
color: #3573eb;
background-color: #3573eb;
/* Tailwind (arbitrary) */
class="text-[#3573eb] bg-[#3573eb]"
/* SCSS */
$brand: #3573eb;
/* SwiftUI */
Color(red: 0.208, green: 0.451, blue: 0.922)
/* Android */
Color.parseColor("#3573eb")Accessibility — WCAG contrast
Aa
#3573eb on white: 4.37:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3573eb on black: 4.80:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.8%
Green45.1%
Blue92.2%
CMYK percentages
Cyan77.4%
Magenta51.1%
Yellow0.0%
Key (black)7.8%
Color previews
#3573eb text on a black background
contrast 4.80:1
Card sample
#3573eb text on a white background
contrast 4.37:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3573eb;
Background color
Panel with #3573eb background
background-color: #3573eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3573eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(53, 115, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(53, 115, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3573eb; background: linear-gradient(135deg, #3573eb, #7135EB);