#577dec
a balanced, electric blue · cool · closest name: royalblue
RGB
87, 125, 236
HSL
225°, 80%, 63%
CMYK
63, 47, 0, 8
Luminance
0.2275
Every format
| HEX | #577dec |
| RGB | rgb(87, 125, 236) |
| HSL | hsl(225, 80%, 63%) |
| CMYK | cmyk(63%, 47%, 0%, 8%) |
| LAB | lab(54.8 21.0 -60.1) |
| LCH | lch(54.8 63.7 289.3) |
| OKLCH | oklch(0.618 0.172 267.1) |
Copy-ready code
/* CSS */
color: #577dec;
background-color: #577dec;
/* Tailwind (arbitrary) */
class="text-[#577dec] bg-[#577dec]"
/* SCSS */
$brand: #577dec;
/* SwiftUI */
Color(red: 0.341, green: 0.490, blue: 0.925)
/* Android */
Color.parseColor("#577dec")Accessibility — WCAG contrast
Aa
#577dec on white: 3.78:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#577dec on black: 5.55:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green49.0%
Blue92.5%
CMYK percentages
Cyan63.1%
Magenta47.0%
Yellow0.0%
Key (black)7.5%
Color previews
#577dec text on a black background
contrast 5.55:1
Card sample
#577dec text on a white background
contrast 3.78:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #577dec;
Background color
Panel with #577dec background
background-color: #577dec;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #577dec;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 125, 236, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 125, 236, 0.45);
Border & gradient
Gradient panel
border: 3px solid #577dec; background: linear-gradient(135deg, #577dec, #9457EC);