#7858C4

CSS

:root {
  --simply-purple: #7858c4;
  --simply-purple-rgb: 120 88 196;
  --simply-purple-oklch: oklch(0.547 0.162 294);
}

.element {
  color: var(--simply-purple);
  background-color: hsl(258 48% 56%);
  border-color: oklch(0.547 0.162 294);
}

Tailwind CSS v4

@theme {
  --color-simply-purple: #7858c4;
  --color-simply-purple-50: #f9ecff;
  --color-simply-purple-100: #ecdeff;
  --color-simply-purple-200: #dac6ff;
  --color-simply-purple-300: #bfa6ff;
  --color-simply-purple-400: #a589f4;
  --color-simply-purple-500: #8e6be5;
  --color-simply-purple-600: #785bc1;
  --color-simply-purple-700: #60499b;
  --color-simply-purple-800: #453575;
  --color-simply-purple-900: #2f2452;
  --color-simply-purple-950: #1c1237;
}

SCSS

$simply-purple: #7858c4;
$simply-purple-rgb: 120, 88, 196;
$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);
}