#A1655B

CSS

:root {
  --dried-tomatoes: #a1655b;
  --dried-tomatoes-rgb: 161 101 91;
  --dried-tomatoes-oklch: oklch(0.57 0.08 30);
}

.element {
  color: var(--dried-tomatoes);
  background-color: hsl(9 28% 49%);
  border-color: oklch(0.57 0.08 30);
}

Tailwind CSS v4

@theme {
  --color-dried-tomatoes: #a1655b;
  --color-dried-tomatoes-50: #ffede7;
  --color-dried-tomatoes-100: #ffdfd7;
  --color-dried-tomatoes-200: #f4c9bf;
  --color-dried-tomatoes-300: #dda99e;
  --color-dried-tomatoes-400: #c98d82;
  --color-dried-tomatoes-500: #b57266;
  --color-dried-tomatoes-600: #996057;
  --color-dried-tomatoes-700: #7b4d45;
  --color-dried-tomatoes-800: #5b3733;
  --color-dried-tomatoes-900: #402622;
  --color-dried-tomatoes-950: #281412;
}

SCSS

$dried-tomatoes: #a1655b;
$dried-tomatoes-rgb: 161, 101, 91;
$dried-tomatoes-light: mix(#fff, $dried-tomatoes, 20%);
$dried-tomatoes-dark: mix(#000, $dried-tomatoes, 20%);

.element {
  color: $dried-tomatoes;
  box-shadow: 0 0 0 2px rgba($dried-tomatoes, 0.35);
}