#775BBA

CSS

:root {
  --simply-purple: #775bba;
  --simply-purple-rgb: 119 91 186;
  --simply-purple-oklch: oklch(0.544 0.144 294.7);
}

.element {
  color: var(--simply-purple);
  background-color: hsl(258 41% 54%);
  border-color: oklch(0.544 0.144 294.7);
}

Tailwind CSS v4

@theme {
  --color-simply-purple: #775bba;
  --color-simply-purple-50: #f9edff;
  --color-simply-purple-100: #ecdfff;
  --color-simply-purple-200: #dac8ff;
  --color-simply-purple-300: #bfa8f9;
  --color-simply-purple-400: #a58cea;
  --color-simply-purple-500: #8e6fda;
  --color-simply-purple-600: #785eb8;
  --color-simply-purple-700: #604b94;
  --color-simply-purple-800: #45376f;
  --color-simply-purple-900: #30264e;
  --color-simply-purple-950: #1c1434;
}

SCSS

$simply-purple: #775bba;
$simply-purple-rgb: 119, 91, 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);
}