#F36F8F

CSS

:root {
  --blush-hour: #f36f8f;
  --blush-hour-rgb: 243 111 143;
  --blush-hour-oklch: oklch(0.708 0.164 7.1);
}

.element {
  color: var(--blush-hour);
  background-color: hsl(345 85% 69%);
  border-color: oklch(0.708 0.164 7.1);
}

Tailwind CSS v4

@theme {
  --color-blush-hour: #f36f8f;
  --color-blush-hour-50: #ffe2eb;
  --color-blush-hour-100: #ffd2dc;
  --color-blush-hour-200: #ffb7c5;
  --color-blush-hour-300: #fe92a6;
  --color-blush-hour-400: #ed708e;
  --color-blush-hour-500: #da4b73;
  --color-blush-hour-600: #b94162;
  --color-blush-hour-700: #94344e;
  --color-blush-hour-800: #6e243b;
  --color-blush-hour-900: #4e1828;
  --color-blush-hour-950: #330816;
}

SCSS

$blush-hour: #f36f8f;
$blush-hour-rgb: 243, 111, 143;
$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);
}