#816F82

CSS

:root {
  --sakura-night: #816f82;
  --sakura-night-rgb: 129 111 130;
  --sakura-night-oklch: oklch(0.565 0.036 324.4);
}

.element {
  color: var(--sakura-night);
  background-color: hsl(297 8% 47%);
  border-color: oklch(0.565 0.036 324.4);
}

Tailwind CSS v4

@theme {
  --color-sakura-night: #816f82;
  --color-sakura-night-50: #fbf2fb;
  --color-sakura-night-100: #efe4ee;
  --color-sakura-night-200: #ddcfdd;
  --color-sakura-night-300: #c2b1c1;
  --color-sakura-night-400: #aa98ab;
  --color-sakura-night-500: #937e94;
  --color-sakura-night-600: #7c6b7d;
  --color-sakura-night-700: #635664;
  --color-sakura-night-800: #493e4a;
  --color-sakura-night-900: #322b33;
  --color-sakura-night-950: #1e181f;
}

SCSS

$sakura-night: #816f82;
$sakura-night-rgb: 129, 111, 130;
$sakura-night-light: mix(#fff, $sakura-night, 20%);
$sakura-night-dark: mix(#000, $sakura-night, 20%);

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