Smoky Black

CSS

:root {
  --smoky-black: #100c08;
  --smoky-black-rgb: 16 12 8;
  --smoky-black-oklch: oklch(0.158 0.011 67.8);
}

.element {
  color: var(--smoky-black);
  background-color: hsl(30 33% 5%);
  border-color: oklch(0.158 0.011 67.8);
}

Tailwind CSS v4

@theme {
  --color-smoky-black: #100c08;
  --color-smoky-black-50: #f7f5f2;
  --color-smoky-black-100: #eae7e4;
  --color-smoky-black-200: #d7d3cf;
  --color-smoky-black-300: #bbb6b1;
  --color-smoky-black-400: #a39d98;
  --color-smoky-black-500: #8b857f;
  --color-smoky-black-600: #76716b;
  --color-smoky-black-700: #5e5a56;
  --color-smoky-black-800: #45423e;
  --color-smoky-black-900: #302d2b;
  --color-smoky-black-950: #1c1a18;
}

SCSS

$smoky-black: #100c08;
$smoky-black-rgb: 16, 12, 8;
$smoky-black-light: mix(#fff, $smoky-black, 20%);
$smoky-black-dark: mix(#000, $smoky-black, 20%);

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