#755FAF

CSS

:root {
  --simply-purple: #755faf;
  --simply-purple-rgb: 117 95 175;
  --simply-purple-oklch: oklch(0.543 0.123 294.6);
}

.element {
  color: var(--simply-purple);
  background-color: hsl(257 33% 53%);
  border-color: oklch(0.543 0.123 294.6);
}

Tailwind CSS v4

@theme {
  --color-simply-purple: #755faf;
  --color-simply-purple-50: #f8efff;
  --color-simply-purple-100: #ebe0ff;
  --color-simply-purple-200: #d9caff;
  --color-simply-purple-300: #bdaaef;
  --color-simply-purple-400: #a38fdf;
  --color-simply-purple-500: #8c74ce;
  --color-simply-purple-600: #7762ae;
  --color-simply-purple-700: #5f4e8c;
  --color-simply-purple-800: #443969;
  --color-simply-purple-900: #2f274a;
  --color-simply-purple-950: #1c1530;
}

SCSS

$simply-purple: #755faf;
$simply-purple-rgb: 117, 95, 175;
$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);
}