#B55D54

CSS

:root {
  --dried-tomatoes: #b55d54;
  --dried-tomatoes-rgb: 181 93 84;
  --dried-tomatoes-oklch: oklch(0.581 0.116 27.2);
}

.element {
  color: var(--dried-tomatoes);
  background-color: hsl(6 40% 52%);
  border-color: oklch(0.581 0.116 27.2);
}

Tailwind CSS v4

@theme {
  --color-dried-tomatoes: #b55d54;
  --color-dried-tomatoes-50: #ffeae2;
  --color-dried-tomatoes-100: #ffdad2;
  --color-dried-tomatoes-200: #ffc2b8;
  --color-dried-tomatoes-300: #eda195;
  --color-dried-tomatoes-400: #da8379;
  --color-dried-tomatoes-500: #c7655b;
  --color-dried-tomatoes-600: #a8564d;
  --color-dried-tomatoes-700: #87443e;
  --color-dried-tomatoes-800: #65312d;
  --color-dried-tomatoes-900: #47211f;
  --color-dried-tomatoes-950: #2e100e;
}

SCSS

$dried-tomatoes: #b55d54;
$dried-tomatoes-rgb: 181, 93, 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);
}