#6A6C73

CSS

:root {
  --made-in-the-shade: #6a6c73;
  --made-in-the-shade-rgb: 106 108 115;
  --made-in-the-shade-oklch: oklch(0.532 0.011 273.2);
}

.element {
  color: var(--made-in-the-shade);
  background-color: hsl(227 4% 43%);
  border-color: oklch(0.532 0.011 273.2);
}

Tailwind CSS v4

@theme {
  --color-made-in-the-shade: #6a6c73;
  --color-made-in-the-shade-50: #f4f5f8;
  --color-made-in-the-shade-100: #e7e8ec;
  --color-made-in-the-shade-200: #d3d4d9;
  --color-made-in-the-shade-300: #b5b7bd;
  --color-made-in-the-shade-400: #9c9ea5;
  --color-made-in-the-shade-500: #83868e;
  --color-made-in-the-shade-600: #6f7178;
  --color-made-in-the-shade-700: #595b60;
  --color-made-in-the-shade-800: #414246;
  --color-made-in-the-shade-900: #2d2e31;
  --color-made-in-the-shade-950: #1a1a1d;
}

SCSS

$made-in-the-shade: #6a6c73;
$made-in-the-shade-rgb: 106, 108, 115;
$made-in-the-shade-light: mix(#fff, $made-in-the-shade, 20%);
$made-in-the-shade-dark: mix(#000, $made-in-the-shade, 20%);

.element {
  color: $made-in-the-shade;
  box-shadow: 0 0 0 2px rgba($made-in-the-shade, 0.35);
}