#7E405B

CSS

:root {
  --passionate-plum: #7e405b;
  --passionate-plum-rgb: 126 64 91;
  --passionate-plum-oklch: oklch(0.458 0.092 353.8);
}

.element {
  color: var(--passionate-plum);
  background-color: hsl(334 33% 37%);
  border-color: oklch(0.458 0.092 353.8);
}

Tailwind CSS v4

@theme {
  --color-passionate-plum: #7e405b;
  --color-passionate-plum-50: #ffebf6;
  --color-passionate-plum-100: #ffdce9;
  --color-passionate-plum-200: #f6c5d5;
  --color-passionate-plum-300: #dea4b9;
  --color-passionate-plum-400: #ca88a2;
  --color-passionate-plum-500: #b56c8a;
  --color-passionate-plum-600: #995b75;
  --color-passionate-plum-700: #7b495e;
  --color-passionate-plum-800: #5b3546;
  --color-passionate-plum-900: #3f2430;
  --color-passionate-plum-950: #28131c;
}

SCSS

$passionate-plum: #7e405b;
$passionate-plum-rgb: 126, 64, 91;
$passionate-plum-light: mix(#fff, $passionate-plum, 20%);
$passionate-plum-dark: mix(#000, $passionate-plum, 20%);

.element {
  color: $passionate-plum;
  box-shadow: 0 0 0 2px rgba($passionate-plum, 0.35);
}