#7B5FA4

CSS

:root {
  --scampi: #7b5fa4;
  --scampi-rgb: 123 95 164;
  --scampi-oklch: oklch(0.543 0.109 301.6);
}

.element {
  color: var(--scampi);
  background-color: hsl(264 27% 51%);
  border-color: oklch(0.543 0.109 301.6);
}

Tailwind CSS v4

@theme {
  --color-scampi: #7b5fa4;
  --color-scampi-50: #fbeeff;
  --color-scampi-100: #efe0ff;
  --color-scampi-200: #dec9fb;
  --color-scampi-300: #c3aae5;
  --color-scampi-400: #aa8fd4;
  --color-scampi-500: #9374c2;
  --color-scampi-600: #7d62a4;
  --color-scampi-700: #644e83;
  --color-scampi-800: #483962;
  --color-scampi-900: #322745;
  --color-scampi-950: #1e152d;
}

SCSS

$scampi: #7b5fa4;
$scampi-rgb: 123, 95, 164;
$scampi-light: mix(#fff, $scampi, 20%);
$scampi-dark: mix(#000, $scampi, 20%);

.element {
  color: $scampi;
  box-shadow: 0 0 0 2px rgba($scampi, 0.35);
}