#577df4
a balanced, electric blue · warm · closest name: royalblue
RGB
87, 125, 244
HSL
226°, 88%, 65%
CMYK
64, 49, 0, 4
Luminance
0.2323
Every format
| HEX | #577df4 |
| RGB | rgb(87, 125, 244) |
| HSL | hsl(226, 88%, 65%) |
| CMYK | cmyk(64%, 49%, 0%, 4%) |
| LAB | lab(55.3 23.7 -63.8) |
| LCH | lch(55.3 68.1 290.4) |
| OKLCH | oklch(0.623 0.183 267.5) |
Copy-ready code
/* CSS */
color: #577df4;
background-color: #577df4;
/* Tailwind (arbitrary) */
class="text-[#577df4] bg-[#577df4]"
/* SCSS */
$brand: #577df4;
/* SwiftUI */
Color(red: 0.341, green: 0.490, blue: 0.957)
/* Android */
Color.parseColor("#577df4")Accessibility — WCAG contrast
Aa
#577df4 on white: 3.72:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#577df4 on black: 5.65:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.1%
Green49.0%
Blue95.7%
CMYK percentages
Cyan64.3%
Magenta48.8%
Yellow0.0%
Key (black)4.3%
Color previews
#577df4 text on a black background
contrast 5.65:1
Card sample
#577df4 text on a white background
contrast 3.72:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #577df4;
Background color
Panel with #577df4 background
background-color: #577df4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #577df4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(87, 125, 244, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(87, 125, 244, 0.45);
Border & gradient
Gradient panel
border: 3px solid #577df4; background: linear-gradient(135deg, #577df4, #9A57F4);