#FD6A79

CSS

:root {
  --kisses-and-hugs: #fd6a79;
  --kisses-and-hugs-rgb: 253 106 121;
  --kisses-and-hugs-oklch: oklch(0.71 0.179 16.7);
}

.element {
  color: var(--kisses-and-hugs);
  background-color: hsl(354 97% 70%);
  border-color: oklch(0.71 0.179 16.7);
}

Tailwind CSS v4

@theme {
  --color-kisses-and-hugs: #fd6a79;
  --color-kisses-and-hugs-50: #ffe1e1;
  --color-kisses-and-hugs-100: #ffd0d1;
  --color-kisses-and-hugs-200: #ffb5b6;
  --color-kisses-and-hugs-300: #ff8f93;
  --color-kisses-and-hugs-400: #f56b78;
  --color-kisses-and-hugs-500: #e4425a;
  --color-kisses-and-hugs-600: #c03a4d;
  --color-kisses-and-hugs-700: #9b2e3d;
  --color-kisses-and-hugs-800: #73202e;
  --color-kisses-and-hugs-900: #51151f;
  --color-kisses-and-hugs-950: #36050f;
}

SCSS

$kisses-and-hugs: #fd6a79;
$kisses-and-hugs-rgb: 253, 106, 121;
$kisses-and-hugs-light: mix(#fff, $kisses-and-hugs, 20%);
$kisses-and-hugs-dark: mix(#000, $kisses-and-hugs, 20%);

.element {
  color: $kisses-and-hugs;
  box-shadow: 0 0 0 2px rgba($kisses-and-hugs, 0.35);
}