#D78483

CSS

:root {
  --peaches-of-immortality: #d78483;
  --peaches-of-immortality-rgb: 215 132 131;
  --peaches-of-immortality-oklch: oklch(0.7 0.103 20.7);
}

.element {
  color: var(--peaches-of-immortality);
  background-color: hsl(1 51% 68%);
  border-color: oklch(0.7 0.103 20.7);
}

Tailwind CSS v4

@theme {
  --color-peaches-of-immortality: #d78483;
  --color-peaches-of-immortality-50: #ffeae8;
  --color-peaches-of-immortality-100: #ffdbd8;
  --color-peaches-of-immortality-200: #fec4c0;
  --color-peaches-of-immortality-300: #e8a39f;
  --color-peaches-of-immortality-400: #d48584;
  --color-peaches-of-immortality-500: #c16869;
  --color-peaches-of-immortality-600: #a35959;
  --color-peaches-of-immortality-700: #834747;
  --color-peaches-of-immortality-800: #613334;
  --color-peaches-of-immortality-900: #442324;
  --color-peaches-of-immortality-950: #2c1112;
}

SCSS

$peaches-of-immortality: #d78483;
$peaches-of-immortality-rgb: 215, 132, 131;
$peaches-of-immortality-light: mix(#fff, $peaches-of-immortality, 20%);
$peaches-of-immortality-dark: mix(#000, $peaches-of-immortality, 20%);

.element {
  color: $peaches-of-immortality;
  box-shadow: 0 0 0 2px rgba($peaches-of-immortality, 0.35);
}