#577af3
a balanced, electric blue · warm · closest name: royalblue
RGB
87, 122, 243
HSL
227°, 87%, 65%
CMYK
64, 50, 0, 5
Luminance
0.2242
Every format
| HEX | #577af3 |
| RGB | rgb(87, 122, 243) |
| HSL | hsl(227, 87%, 65%) |
| CMYK | cmyk(64%, 50%, 0%, 5%) |
| LAB | lab(54.5 25.2 -64.6) |
| LCH | lch(54.5 69.3 291.3) |
| OKLCH | oklch(0.617 0.185 268.4) |
Copy-ready code
/* CSS */
color: #577af3;
background-color: #577af3;
/* Tailwind (arbitrary) */
class="text-[#577af3] bg-[#577af3]"
/* SCSS */
$brand: #577af3;
/* SwiftUI */
Color(red: 0.341, green: 0.478, blue: 0.953)
/* Android */
Color.parseColor("#577af3")Accessibility — WCAG contrast
Aa
#577af3 on white: 3.83:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#577af3 on black: 5.48:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green47.8%
Blue95.3%
CMYK percentages
Cyan64.2%
Magenta49.8%
Yellow0.0%
Key (black)4.7%
Color previews
#577af3 text on a black background
contrast 5.48:1
Card sample
#577af3 text on a white background
contrast 3.83:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #577af3;
Background color
Panel with #577af3 background
background-color: #577af3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #577af3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 122, 243, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 122, 243, 0.45);
Border & gradient
Gradient panel
border: 3px solid #577af3; background: linear-gradient(135deg, #577af3, #9C57F3);