#B83000

CSS

:root {
  --dropped-brick: #b83000;
  --dropped-brick-rgb: 184 48 0;
  --dropped-brick-oklch: oklch(0.518 0.179 35.6);
}

.element {
  color: var(--dropped-brick);
  background-color: hsl(16 100% 36%);
  border-color: oklch(0.518 0.179 35.6);
}

Tailwind CSS v4

@theme {
  --color-dropped-brick: #b83000;
  --color-dropped-brick-50: #ffe4d1;
  --color-dropped-brick-100: #ffd4bd;
  --color-dropped-brick-200: #ffb99d;
  --color-dropped-brick-300: #ff9473;
  --color-dropped-brick-400: #f5714f;
  --color-dropped-brick-500: #e34a1f;
  --color-dropped-brick-600: #c0401d;
  --color-dropped-brick-700: #9a3317;
  --color-dropped-brick-800: #732312;
  --color-dropped-brick-900: #52180b;
  --color-dropped-brick-950: #360701;
}

SCSS

$dropped-brick: #b83000;
$dropped-brick-rgb: 184, 48, 0;
$dropped-brick-light: mix(#fff, $dropped-brick, 20%);
$dropped-brick-dark: mix(#000, $dropped-brick, 20%);

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