#1F110A

CSS

:root {
  --dark-orchestra: #1f110a;
  --dark-orchestra-rgb: 31 17 10;
  --dark-orchestra-oklch: oklch(0.195 0.027 47.2);
}

.element {
  color: var(--dark-orchestra);
  background-color: hsl(20 51% 8%);
  border-color: oklch(0.195 0.027 47.2);
}

Tailwind CSS v4

@theme {
  --color-dark-orchestra: #1f110a;
  --color-dark-orchestra-50: #fcf3ee;
  --color-dark-orchestra-100: #f0e5e0;
  --color-dark-orchestra-200: #dfd1ca;
  --color-dark-orchestra-300: #c4b4ab;
  --color-dark-orchestra-400: #ad9a91;
  --color-dark-orchestra-500: #968177;
  --color-dark-orchestra-600: #7f6d65;
  --color-dark-orchestra-700: #665751;
  --color-dark-orchestra-800: #4b403b;
  --color-dark-orchestra-900: #342c28;
  --color-dark-orchestra-950: #1f1916;
}

SCSS

$dark-orchestra: #1f110a;
$dark-orchestra-rgb: 31, 17, 10;
$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);
}