#6860BF

CSS

:root {
  --simply-purple: #6860bf;
  --simply-purple-rgb: 104 96 191;
  --simply-purple-oklch: oklch(0.543 0.144 284.3);
}

.element {
  color: var(--simply-purple);
  background-color: hsl(245 43% 56%);
  border-color: oklch(0.543 0.144 284.3);
}

Tailwind CSS v4

@theme {
  --color-simply-purple: #6860bf;
  --color-simply-purple-50: #f1f0ff;
  --color-simply-purple-100: #e3e2ff;
  --color-simply-purple-200: #cfccff;
  --color-simply-purple-300: #b1acfe;
  --color-simply-purple-400: #9591f0;
  --color-simply-purple-500: #7d75e1;
  --color-simply-purple-600: #6a63bd;
  --color-simply-purple-700: #554f98;
  --color-simply-purple-800: #3c3a72;
  --color-simply-purple-900: #292850;
  --color-simply-purple-950: #171536;
}

SCSS

$simply-purple: #6860bf;
$simply-purple-rgb: 104, 96, 191;
$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);
}