#9C341F

CSS

:root {
  --brick: #9c341f;
  --brick-rgb: 156 52 31;
  --brick-oklch: oklch(0.474 0.143 33.3);
}

.element {
  color: var(--brick);
  background-color: hsl(10 67% 37%);
  border-color: oklch(0.474 0.143 33.3);
}

Tailwind CSS v4

@theme {
  --color-brick: #9c341f;
  --color-brick-50: #ffe8da;
  --color-brick-100: #ffd8c8;
  --color-brick-200: #ffbfab;
  --color-brick-300: #f79c85;
  --color-brick-400: #e67c65;
  --color-brick-500: #d35c43;
  --color-brick-600: #b34e3a;
  --color-brick-700: #903e2e;
  --color-brick-800: #6b2c22;
  --color-brick-900: #4b1e16;
  --color-brick-950: #310d08;
}

SCSS

$brick: #9c341f;
$brick-rgb: 156, 52, 31;
$brick-light: mix(#fff, $brick, 20%);
$brick-dark: mix(#000, $brick, 20%);

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