#583bc9
a balanced, vivid blue · warm · closest name: slateblue
RGB
88, 59, 201
HSL
252°, 57%, 51%
CMYK
56, 71, 0, 21
Luminance
0.0942
Every format
| HEX | #583bc9 |
| RGB | rgb(88, 59, 201) |
| HSL | hsl(252, 57%, 51%) |
| CMYK | cmyk(56%, 71%, 0%, 21%) |
| LAB | lab(36.8 49.3 -69.5) |
| LCH | lch(36.8 85.2 305.4) |
| OKLCH | oklch(0.476 0.207 284.8) |
Copy-ready code
/* CSS */
color: #583bc9;
background-color: #583bc9;
/* Tailwind (arbitrary) */
class="text-[#583bc9] bg-[#583bc9]"
/* SCSS */
$brand: #583bc9;
/* SwiftUI */
Color(red: 0.345, green: 0.231, blue: 0.788)
/* Android */
Color.parseColor("#583bc9")Accessibility — WCAG contrast
Aa
#583bc9 on white: 7.28:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#583bc9 on black: 2.88:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.5%
Green23.1%
Blue78.8%
CMYK percentages
Cyan56.2%
Magenta70.6%
Yellow0.0%
Key (black)21.2%
Color previews
#583bc9 text on a black background
contrast 2.88:1
Card sample
#583bc9 text on a white background
contrast 7.28:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #583bc9;
Background color
Panel with #583bc9 background
background-color: #583bc9;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #583bc9;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(88, 59, 201, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(88, 59, 201, 0.45);
Border & gradient
Gradient panel
border: 3px solid #583bc9; background: linear-gradient(135deg, #583bc9, #B73BC9);