#D63A31

CSS

:root {
  --bloody-salmon: #d63a31;
  --bloody-salmon-rgb: 214 58 49;
  --bloody-salmon-oklch: oklch(0.583 0.194 28.1);
}

.element {
  color: var(--bloody-salmon);
  background-color: hsl(3 67% 52%);
  border-color: oklch(0.583 0.194 28.1);
}

Tailwind CSS v4

@theme {
  --color-bloody-salmon: #d63a31;
  --color-bloody-salmon-50: #ffe1d4;
  --color-bloody-salmon-100: #ffd0c1;
  --color-bloody-salmon-200: #ffb4a2;
  --color-bloody-salmon-300: #ff8e7a;
  --color-bloody-salmon-400: #fc6759;
  --color-bloody-salmon-500: #eb3b32;
  --color-bloody-salmon-600: #c7342c;
  --color-bloody-salmon-700: #a02a23;
  --color-bloody-salmon-800: #771c1b;
  --color-bloody-salmon-900: #541311;
  --color-bloody-salmon-950: #380304;
}

SCSS

$bloody-salmon: #d63a31;
$bloody-salmon-rgb: 214, 58, 49;
$bloody-salmon-light: mix(#fff, $bloody-salmon, 20%);
$bloody-salmon-dark: mix(#000, $bloody-salmon, 20%);

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