#0057f5
a balanced, electric blue · cool · closest name: royalblue
RGB
0, 87, 245
HSL
219°, 100%, 48%
CMYK
100, 65, 0, 4
Luminance
0.1341
Every format
| HEX | #0057f5 |
| RGB | rgb(0, 87, 245) |
| HSL | hsl(219, 100%, 48%) |
| CMYK | cmyk(100%, 65%, 0%, 4%) |
| LAB | lab(43.4 40.9 -83.9) |
| LCH | lch(43.4 93.3 296.0) |
| OKLCH | oklch(0.527 0.246 262.1) |
Copy-ready code
/* CSS */
color: #0057f5;
background-color: #0057f5;
/* Tailwind (arbitrary) */
class="text-[#0057f5] bg-[#0057f5]"
/* SCSS */
$brand: #0057f5;
/* SwiftUI */
Color(red: 0.000, green: 0.341, blue: 0.961)
/* Android */
Color.parseColor("#0057f5")Accessibility — WCAG contrast
Aa
#0057f5 on white: 5.70:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#0057f5 on black: 3.68:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green34.1%
Blue96.1%
CMYK percentages
Cyan100.0%
Magenta64.5%
Yellow0.0%
Key (black)3.9%
Color previews
#0057f5 text on a black background
contrast 3.68:1
Card sample
#0057f5 text on a white background
contrast 5.70:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0057f5;
Background color
Panel with #0057f5 background
background-color: #0057f5;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0057f5;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 87, 245, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 87, 245, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0057f5; background: linear-gradient(135deg, #0057f5, #4C00F5);