#6A6C72

CSS

:root {
  --made-in-the-shade: #6a6c72;
  --made-in-the-shade-rgb: 106 108 114;
  --made-in-the-shade-oklch: oklch(0.532 0.01 271.2);
}

.element {
  color: var(--made-in-the-shade);
  background-color: hsl(225 4% 43%);
  border-color: oklch(0.532 0.01 271.2);
}

Tailwind CSS v4

@theme {
  --color-made-in-the-shade: #6a6c72;
  --color-made-in-the-shade-50: #f4f5f8;
  --color-made-in-the-shade-100: #e7e8eb;
  --color-made-in-the-shade-200: #d3d4d8;
  --color-made-in-the-shade-300: #b6b7bc;
  --color-made-in-the-shade-400: #9c9ea4;
  --color-made-in-the-shade-500: #84868d;
  --color-made-in-the-shade-600: #6f7177;
  --color-made-in-the-shade-700: #595b5f;
  --color-made-in-the-shade-800: #414246;
  --color-made-in-the-shade-900: #2d2e30;
  --color-made-in-the-shade-950: #1a1b1d;
}

SCSS

$made-in-the-shade: #6a6c72;
$made-in-the-shade-rgb: 106, 108, 114;
$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);
}