Blackest Brown

CSS

:root {
  --blackest-brown: #403330;
  --blackest-brown-rgb: 64 51 48;
  --blackest-brown-oklch: oklch(0.334 0.02 33.2);
}

.element {
  color: var(--blackest-brown);
  background-color: hsl(11 14% 22%);
  border-color: oklch(0.334 0.02 33.2);
}

Tailwind CSS v4

@theme {
  --color-blackest-brown: #403330;
  --color-blackest-brown-50: #fbf3f1;
  --color-blackest-brown-100: #eee6e3;
  --color-blackest-brown-200: #dcd1cf;
  --color-blackest-brown-300: #c1b4b1;
  --color-blackest-brown-400: #aa9b97;
  --color-blackest-brown-500: #93827e;
  --color-blackest-brown-600: #7c6e6b;
  --color-blackest-brown-700: #635855;
  --color-blackest-brown-800: #49403e;
  --color-blackest-brown-900: #332c2b;
  --color-blackest-brown-950: #1e1918;
}

SCSS

$blackest-brown: #403330;
$blackest-brown-rgb: 64, 51, 48;
$blackest-brown-light: mix(#fff, $blackest-brown, 20%);
$blackest-brown-dark: mix(#000, $blackest-brown, 20%);

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