#FA6A8A

CSS

:root {
  --blush-hour: #fa6a8a;
  --blush-hour-rgb: 250 106 138;
  --blush-hour-oklch: oklch(0.71 0.177 9);
}

.element {
  color: var(--blush-hour);
  background-color: hsl(347 94% 70%);
  border-color: oklch(0.71 0.177 9);
}

Tailwind CSS v4

@theme {
  --color-blush-hour: #fa6a8a;
  --color-blush-hour-50: #ffe1e8;
  --color-blush-hour-100: #ffd0d9;
  --color-blush-hour-200: #ffb4c1;
  --color-blush-hour-300: #ff8fa1;
  --color-blush-hour-400: #f36b88;
  --color-blush-hour-500: #e1436d;
  --color-blush-hour-600: #be3a5d;
  --color-blush-hour-700: #992e4a;
  --color-blush-hour-800: #722038;
  --color-blush-hour-900: #501526;
  --color-blush-hour-950: #350614;
}

SCSS

$blush-hour: #fa6a8a;
$blush-hour-rgb: 250, 106, 138;
$blush-hour-light: mix(#fff, $blush-hour, 20%);
$blush-hour-dark: mix(#000, $blush-hour, 20%);

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