#B45A54

CSS

:root {
  --dried-tomatoes: #b45a54;
  --dried-tomatoes-rgb: 180 90 84;
  --dried-tomatoes-oklch: oklch(0.575 0.118 25.3);
}

.element {
  color: var(--dried-tomatoes);
  background-color: hsl(4 39% 52%);
  border-color: oklch(0.575 0.118 25.3);
}

Tailwind CSS v4

@theme {
  --color-dried-tomatoes: #b45a54;
  --color-dried-tomatoes-50: #ffe9e3;
  --color-dried-tomatoes-100: #ffdad3;
  --color-dried-tomatoes-200: #ffc2b9;
  --color-dried-tomatoes-300: #eea096;
  --color-dried-tomatoes-400: #db827a;
  --color-dried-tomatoes-500: #c8635d;
  --color-dried-tomatoes-600: #a9554f;
  --color-dried-tomatoes-700: #88443f;
  --color-dried-tomatoes-800: #65302e;
  --color-dried-tomatoes-900: #47211f;
  --color-dried-tomatoes-950: #2e100f;
}

SCSS

$dried-tomatoes: #b45a54;
$dried-tomatoes-rgb: 180, 90, 84;
$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);
}