#7A5AB9

CSS

:root {
  --simply-purple: #7a5ab9;
  --simply-purple-rgb: 122 90 185;
  --simply-purple-oklch: oklch(0.545 0.145 296.9);
}

.element {
  color: var(--simply-purple);
  background-color: hsl(260 40% 54%);
  border-color: oklch(0.545 0.145 296.9);
}

Tailwind CSS v4

@theme {
  --color-simply-purple: #7a5ab9;
  --color-simply-purple-50: #faedff;
  --color-simply-purple-100: #eedeff;
  --color-simply-purple-200: #dcc7ff;
  --color-simply-purple-300: #c1a7f7;
  --color-simply-purple-400: #a88be9;
  --color-simply-purple-500: #916dd9;
  --color-simply-purple-600: #7b5db7;
  --color-simply-purple-700: #624a93;
  --color-simply-purple-800: #47366f;
  --color-simply-purple-900: #31254e;
  --color-simply-purple-950: #1d1334;
}

SCSS

$simply-purple: #7a5ab9;
$simply-purple-rgb: 122, 90, 185;
$simply-purple-light: mix(#fff, $simply-purple, 20%);
$simply-purple-dark: mix(#000, $simply-purple, 20%);

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