#577ceb
a balanced, electric blue · warm · closest name: royalblue
RGB
87, 124, 235
HSL
225°, 79%, 63%
CMYK
63, 47, 0, 8
Luminance
0.2244
Every format
| HEX | #577ceb |
| RGB | rgb(87, 124, 235) |
| HSL | hsl(225, 79%, 63%) |
| CMYK | cmyk(63%, 47%, 0%, 8%) |
| LAB | lab(54.5 21.3 -60.1) |
| LCH | lch(54.5 63.8 289.5) |
| OKLCH | oklch(0.615 0.172 267.3) |
Copy-ready code
/* CSS */
color: #577ceb;
background-color: #577ceb;
/* Tailwind (arbitrary) */
class="text-[#577ceb] bg-[#577ceb]"
/* SCSS */
$brand: #577ceb;
/* SwiftUI */
Color(red: 0.341, green: 0.486, blue: 0.922)
/* Android */
Color.parseColor("#577ceb")Accessibility — WCAG contrast
Aa
#577ceb on white: 3.83:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#577ceb on black: 5.49:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green48.6%
Blue92.2%
CMYK percentages
Cyan63.0%
Magenta47.2%
Yellow0.0%
Key (black)7.8%
Color previews
#577ceb text on a black background
contrast 5.49:1
Card sample
#577ceb text on a white background
contrast 3.83:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #577ceb;
Background color
Panel with #577ceb background
background-color: #577ceb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #577ceb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 124, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 124, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #577ceb; background: linear-gradient(135deg, #577ceb, #9557EB);