#F66D8E

CSS

:root {
  --blush-hour: #f66d8e;
  --blush-hour-rgb: 246 109 142;
  --blush-hour-oklch: oklch(0.709 0.17 7.5);
}

.element {
  color: var(--blush-hour);
  background-color: hsl(346 88% 70%);
  border-color: oklch(0.709 0.17 7.5);
}

Tailwind CSS v4

@theme {
  --color-blush-hour: #f66d8e;
  --color-blush-hour-50: #ffe2ea;
  --color-blush-hour-100: #ffd1db;
  --color-blush-hour-200: #ffb6c4;
  --color-blush-hour-300: #ff91a4;
  --color-blush-hour-400: #ef6e8c;
  --color-blush-hour-500: #dd4872;
  --color-blush-hour-600: #bb3e60;
  --color-blush-hour-700: #96314d;
  --color-blush-hour-800: #70223a;
  --color-blush-hour-900: #4f1728;
  --color-blush-hour-950: #340716;
}

SCSS

$blush-hour: #f66d8e;
$blush-hour-rgb: 246, 109, 142;
$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);
}