#D28685

CSS

:root {
  --peaches-of-immortality: #d28685;
  --peaches-of-immortality-rgb: 210 134 133;
  --peaches-of-immortality-oklch: oklch(0.698 0.094 20.5);
}

.element {
  color: var(--peaches-of-immortality);
  background-color: hsl(1 46% 67%);
  border-color: oklch(0.698 0.094 20.5);
}

Tailwind CSS v4

@theme {
  --color-peaches-of-immortality: #d28685;
  --color-peaches-of-immortality-50: #ffebe9;
  --color-peaches-of-immortality-100: #ffdcda;
  --color-peaches-of-immortality-200: #fac5c2;
  --color-peaches-of-immortality-300: #e4a5a1;
  --color-peaches-of-immortality-400: #d08887;
  --color-peaches-of-immortality-500: #bc6c6b;
  --color-peaches-of-immortality-600: #9f5b5b;
  --color-peaches-of-immortality-700: #804949;
  --color-peaches-of-immortality-800: #5f3436;
  --color-peaches-of-immortality-900: #422425;
  --color-peaches-of-immortality-950: #2b1213;
}

SCSS

$peaches-of-immortality: #d28685;
$peaches-of-immortality-rgb: 210, 134, 133;
$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);
}