Pure Black

CSS

:root {
  --pure-black: #595652;
  --pure-black-rgb: 89 86 82;
  --pure-black-oklch: oklch(0.455 0.008 75.3);
}

.element {
  color: var(--pure-black);
  background-color: hsl(34 4% 34%);
  border-color: oklch(0.455 0.008 75.3);
}

Tailwind CSS v4

@theme {
  --color-pure-black: #595652;
  --color-pure-black-50: #f6f5f3;
  --color-pure-black-100: #e9e7e5;
  --color-pure-black-200: #d6d4d1;
  --color-pure-black-300: #b9b7b3;
  --color-pure-black-400: #a19e9a;
  --color-pure-black-500: #898581;
  --color-pure-black-600: #74716d;
  --color-pure-black-700: #5d5a57;
  --color-pure-black-800: #444240;
  --color-pure-black-900: #2f2d2c;
  --color-pure-black-950: #1b1a19;
}

SCSS

$pure-black: #595652;
$pure-black-rgb: 89, 86, 82;
$pure-black-light: mix(#fff, $pure-black, 20%);
$pure-black-dark: mix(#000, $pure-black, 20%);

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