#587df3
a balanced, electric blue · warm · closest name: royalblue
RGB
88, 125, 243
HSL
226°, 87%, 65%
CMYK
64, 49, 0, 5
Luminance
0.2321
Every format
| HEX | #587df3 |
| RGB | rgb(88, 125, 243) |
| HSL | hsl(226, 87%, 65%) |
| CMYK | cmyk(64%, 49%, 0%, 5%) |
| LAB | lab(55.3 23.5 -63.3) |
| LCH | lch(55.3 67.5 290.4) |
| OKLCH | oklch(0.623 0.181 267.8) |
Copy-ready code
/* CSS */
color: #587df3;
background-color: #587df3;
/* Tailwind (arbitrary) */
class="text-[#587df3] bg-[#587df3]"
/* SCSS */
$brand: #587df3;
/* SwiftUI */
Color(red: 0.345, green: 0.490, blue: 0.953)
/* Android */
Color.parseColor("#587df3")Accessibility — WCAG contrast
Aa
#587df3 on white: 3.72:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#587df3 on black: 5.64:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.5%
Green49.0%
Blue95.3%
CMYK percentages
Cyan63.8%
Magenta48.6%
Yellow0.0%
Key (black)4.7%
Color previews
#587df3 text on a black background
contrast 5.64:1
Card sample
#587df3 text on a white background
contrast 3.72:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #587df3;
Background color
Panel with #587df3 background
background-color: #587df3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #587df3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(88, 125, 243, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(88, 125, 243, 0.45);
Border & gradient
Gradient panel
border: 3px solid #587df3; background: linear-gradient(135deg, #587df3, #9A58F3);