#FD678A

CSS

:root {
  --blush-hour: #fd678a;
  --blush-hour-rgb: 253 103 138;
  --blush-hour-oklch: oklch(0.71 0.184 8.7);
}

.element {
  color: var(--blush-hour);
  background-color: hsl(346 97% 70%);
  border-color: oklch(0.71 0.184 8.7);
}

Tailwind CSS v4

@theme {
  --color-blush-hour: #fd678a;
  --color-blush-hour-50: #ffe0e8;
  --color-blush-hour-100: #ffcfd9;
  --color-blush-hour-200: #ffb3c1;
  --color-blush-hour-300: #ff8da0;
  --color-blush-hour-400: #f56888;
  --color-blush-hour-500: #e43e6d;
  --color-blush-hour-600: #c0365c;
  --color-blush-hour-700: #9b2b4a;
  --color-blush-hour-800: #731e38;
  --color-blush-hour-900: #511426;
  --color-blush-hour-950: #360414;
}

SCSS

$blush-hour: #fd678a;
$blush-hour-rgb: 253, 103, 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);
}