#765CBA

CSS

:root {
  --simply-purple: #765cba;
  --simply-purple-rgb: 118 92 186;
  --simply-purple-oklch: oklch(0.545 0.143 293.9);
}

.element {
  color: var(--simply-purple);
  background-color: hsl(257 41% 55%);
  border-color: oklch(0.545 0.143 293.9);
}

Tailwind CSS v4

@theme {
  --color-simply-purple: #765cba;
  --color-simply-purple-50: #f8eeff;
  --color-simply-purple-100: #ebdfff;
  --color-simply-purple-200: #d9c8ff;
  --color-simply-purple-300: #bea8f8;
  --color-simply-purple-400: #a38cea;
  --color-simply-purple-500: #8d70da;
  --color-simply-purple-600: #775fb8;
  --color-simply-purple-700: #5f4c94;
  --color-simply-purple-800: #44376f;
  --color-simply-purple-900: #2f264e;
  --color-simply-purple-950: #1c1434;
}

SCSS

$simply-purple: #765cba;
$simply-purple-rgb: 118, 92, 186;
$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);
}