#130714

CSS

:root {
  --glossy-black: #130714;
  --glossy-black-rgb: 19 7 20;
  --glossy-black-oklch: oklch(0.155 0.034 324.3);
}

.element {
  color: var(--glossy-black);
  background-color: hsl(295 48% 5%);
  border-color: oklch(0.155 0.034 324.3);
}

Tailwind CSS v4

@theme {
  --color-glossy-black: #130714;
  --color-glossy-black-50: #faf2fa;
  --color-glossy-black-100: #eee4ee;
  --color-glossy-black-200: #dcd0dc;
  --color-glossy-black-300: #c1b2c1;
  --color-glossy-black-400: #a998aa;
  --color-glossy-black-500: #927f93;
  --color-glossy-black-600: #7b6b7c;
  --color-glossy-black-700: #635663;
  --color-glossy-black-800: #483f49;
  --color-glossy-black-900: #322b33;
  --color-glossy-black-950: #1e181f;
}

SCSS

$glossy-black: #130714;
$glossy-black-rgb: 19, 7, 20;
$glossy-black-light: mix(#fff, $glossy-black, 20%);
$glossy-black-dark: mix(#000, $glossy-black, 20%);

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