#583dbb
a balanced, vivid blue · warm · closest name: slateblue
RGB
88, 61, 187
HSL
253°, 51%, 49%
CMYK
53, 67, 0, 27
Luminance
0.0900
Every format
| HEX | #583dbb |
| RGB | rgb(88, 61, 187) |
| HSL | hsl(253, 51%, 49%) |
| CMYK | cmyk(53%, 67%, 0%, 27%) |
| LAB | lab(36.0 44.1 -62.6) |
| LCH | lch(36.0 76.5 305.2) |
| OKLCH | oklch(0.467 0.187 286.5) |
Copy-ready code
/* CSS */
color: #583dbb;
background-color: #583dbb;
/* Tailwind (arbitrary) */
class="text-[#583dbb] bg-[#583dbb]"
/* SCSS */
$brand: #583dbb;
/* SwiftUI */
Color(red: 0.345, green: 0.239, blue: 0.733)
/* Android */
Color.parseColor("#583dbb")Accessibility — WCAG contrast
Aa
#583dbb on white: 7.50:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#583dbb on black: 2.80:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red34.5%
Green23.9%
Blue73.3%
CMYK percentages
Cyan52.9%
Magenta67.4%
Yellow0.0%
Key (black)26.7%
Color previews
#583dbb text on a black background
contrast 2.80:1
Card sample
#583dbb text on a white background
contrast 7.50:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #583dbb;
Background color
Panel with #583dbb background
background-color: #583dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #583dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(88, 61, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(88, 61, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #583dbb; background: linear-gradient(135deg, #583dbb, #AC3DBB);