Nine Iron

CSS

:root {
  --nine-iron: #46434a;
  --nine-iron-rgb: 70 67 74;
  --nine-iron-oklch: oklch(0.388 0.012 305.1);
}

.element {
  color: var(--nine-iron);
  background-color: hsl(266 5% 28%);
  border-color: oklch(0.388 0.012 305.1);
}

Tailwind CSS v4

@theme {
  --color-nine-iron: #46434a;
  --color-nine-iron-50: #f6f4f8;
  --color-nine-iron-100: #e9e7eb;
  --color-nine-iron-200: #d5d3d8;
  --color-nine-iron-300: #b9b6bc;
  --color-nine-iron-400: #a09da4;
  --color-nine-iron-500: #88848d;
  --color-nine-iron-600: #737077;
  --color-nine-iron-700: #5c595f;
  --color-nine-iron-800: #434146;
  --color-nine-iron-900: #2e2d30;
  --color-nine-iron-950: #1b1a1d;
}

SCSS

$nine-iron: #46434a;
$nine-iron-rgb: 70, 67, 74;
$nine-iron-light: mix(#fff, $nine-iron, 20%);
$nine-iron-dark: mix(#000, $nine-iron, 20%);

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