#FA6990

CSS

:root {
  --blush-hour: #fa6990;
  --blush-hour-rgb: 250 105 144;
  --blush-hour-oklch: oklch(0.71 0.18 6.1);
}

.element {
  color: var(--blush-hour);
  background-color: hsl(344 94% 70%);
  border-color: oklch(0.71 0.18 6.1);
}

Tailwind CSS v4

@theme {
  --color-blush-hour: #fa6990;
  --color-blush-hour-50: #ffe1eb;
  --color-blush-hour-100: #ffcfdc;
  --color-blush-hour-200: #ffb4c5;
  --color-blush-hour-300: #ff8ea6;
  --color-blush-hour-400: #f36a8e;
  --color-blush-hour-500: #e14173;
  --color-blush-hour-600: #be3962;
  --color-blush-hour-700: #992d4e;
  --color-blush-hour-800: #711f3b;
  --color-blush-hour-900: #501528;
  --color-blush-hour-950: #350516;
}

SCSS

$blush-hour: #fa6990;
$blush-hour-rgb: 250, 105, 144;
$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);
}