#577aef
a balanced, electric blue · warm · closest name: royalblue
RGB
87, 122, 239
HSL
226°, 83%, 64%
CMYK
64, 49, 0, 6
Luminance
0.2218
Every format
| HEX | #577aef |
| RGB | rgb(87, 122, 239) |
| HSL | hsl(226, 83%, 64%) |
| CMYK | cmyk(64%, 49%, 0%, 6%) |
| LAB | lab(54.2 23.9 -62.8) |
| LCH | lch(54.2 67.1 290.8) |
| OKLCH | oklch(0.614 0.180 268.2) |
Copy-ready code
/* CSS */
color: #577aef;
background-color: #577aef;
/* Tailwind (arbitrary) */
class="text-[#577aef] bg-[#577aef]"
/* SCSS */
$brand: #577aef;
/* SwiftUI */
Color(red: 0.341, green: 0.478, blue: 0.937)
/* Android */
Color.parseColor("#577aef")Accessibility — WCAG contrast
Aa
#577aef on white: 3.86:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#577aef on black: 5.44:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green47.8%
Blue93.7%
CMYK percentages
Cyan63.6%
Magenta49.0%
Yellow0.0%
Key (black)6.3%
Color previews
#577aef text on a black background
contrast 5.44:1
Card sample
#577aef text on a white background
contrast 3.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #577aef;
Background color
Panel with #577aef background
background-color: #577aef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #577aef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 122, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 122, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #577aef; background: linear-gradient(135deg, #577aef, #9957EF);