#5b5bbc
a balanced, soft blue · warm · closest name: slateblue
RGB
91, 91, 188
HSL
240°, 42%, 55%
CMYK
52, 52, 0, 26
Luminance
0.1334
Every format
| HEX | #5b5bbc |
| RGB | rgb(91, 91, 188) |
| HSL | hsl(240, 42%, 55%) |
| CMYK | cmyk(52%, 52%, 0%, 26%) |
| LAB | lab(43.3 27.0 -51.3) |
| LCH | lch(43.3 58.0 297.7) |
| OKLCH | oklch(0.522 0.149 279.9) |
Copy-ready code
/* CSS */
color: #5b5bbc;
background-color: #5b5bbc;
/* Tailwind (arbitrary) */
class="text-[#5b5bbc] bg-[#5b5bbc]"
/* SCSS */
$brand: #5b5bbc;
/* SwiftUI */
Color(red: 0.357, green: 0.357, blue: 0.737)
/* Android */
Color.parseColor("#5b5bbc")Accessibility — WCAG contrast
Aa
#5b5bbc on white: 5.73:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#5b5bbc on black: 3.67:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red35.7%
Green35.7%
Blue73.7%
CMYK percentages
Cyan51.6%
Magenta51.6%
Yellow0.0%
Key (black)26.3%
Color previews
#5b5bbc text on a black background
contrast 3.67:1
Card sample
#5b5bbc text on a white background
contrast 5.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #5b5bbc;
Background color
Panel with #5b5bbc background
background-color: #5b5bbc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #5b5bbc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(91, 91, 188, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(91, 91, 188, 0.45);
Border & gradient
Gradient panel
border: 3px solid #5b5bbc; background: linear-gradient(135deg, #5b5bbc, #9C5BBC);