#23140C

CSS

:root {
  --dark-orchestra: #23140c;
  --dark-orchestra-rgb: 35 20 12;
  --dark-orchestra-oklch: oklch(0.209 0.029 48.7);
}

.element {
  color: var(--dark-orchestra);
  background-color: hsl(21 49% 9%);
  border-color: oklch(0.209 0.029 48.7);
}

Tailwind CSS v4

@theme {
  --color-dark-orchestra: #23140c;
  --color-dark-orchestra-50: #fcf3ee;
  --color-dark-orchestra-100: #f0e5df;
  --color-dark-orchestra-200: #dfd1c9;
  --color-dark-orchestra-300: #c4b4aa;
  --color-dark-orchestra-400: #ae9a90;
  --color-dark-orchestra-500: #978176;
  --color-dark-orchestra-600: #806d64;
  --color-dark-orchestra-700: #665750;
  --color-dark-orchestra-800: #4b3f3a;
  --color-dark-orchestra-900: #342c28;
  --color-dark-orchestra-950: #201916;
}

SCSS

$dark-orchestra: #23140c;
$dark-orchestra-rgb: 35, 20, 12;
$dark-orchestra-light: mix(#fff, $dark-orchestra, 20%);
$dark-orchestra-dark: mix(#000, $dark-orchestra, 20%);

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