#D28689

CSS

:root {
  --peaches-of-immortality: #d28689;
  --peaches-of-immortality-rgb: 210 134 137;
  --peaches-of-immortality-oklch: oklch(0.699 0.094 17.2);
}

.element {
  color: var(--peaches-of-immortality);
  background-color: hsl(358 46% 67%);
  border-color: oklch(0.699 0.094 17.2);
}

Tailwind CSS v4

@theme {
  --color-peaches-of-immortality: #d28689;
  --color-peaches-of-immortality-50: #ffebea;
  --color-peaches-of-immortality-100: #ffdcdb;
  --color-peaches-of-immortality-200: #fac5c4;
  --color-peaches-of-immortality-300: #e4a5a4;
  --color-peaches-of-immortality-400: #d0888a;
  --color-peaches-of-immortality-500: #bc6b6f;
  --color-peaches-of-immortality-600: #9f5b5f;
  --color-peaches-of-immortality-700: #80494b;
  --color-peaches-of-immortality-800: #5f3438;
  --color-peaches-of-immortality-900: #422426;
  --color-peaches-of-immortality-950: #2a1214;
}

SCSS

$peaches-of-immortality: #d28689;
$peaches-of-immortality-rgb: 210, 134, 137;
$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);
}