#71757A

CSS

:root {
  --made-in-the-shade: #71757a;
  --made-in-the-shade-rgb: 113 117 122;
  --made-in-the-shade-oklch: oklch(0.561 0.009 253.9);
}

.element {
  color: var(--made-in-the-shade);
  background-color: hsl(213 4% 46%);
  border-color: oklch(0.561 0.009 253.9);
}

Tailwind CSS v4

@theme {
  --color-made-in-the-shade: #71757a;
  --color-made-in-the-shade-50: #f3f5f8;
  --color-made-in-the-shade-100: #e6e8eb;
  --color-made-in-the-shade-200: #d2d4d8;
  --color-made-in-the-shade-300: #b4b8bc;
  --color-made-in-the-shade-400: #9b9fa4;
  --color-made-in-the-shade-500: #82878c;
  --color-made-in-the-shade-600: #6e7277;
  --color-made-in-the-shade-700: #585b5f;
  --color-made-in-the-shade-800: #404345;
  --color-made-in-the-shade-900: #2c2e30;
  --color-made-in-the-shade-950: #191b1c;
}

SCSS

$made-in-the-shade: #71757a;
$made-in-the-shade-rgb: 113, 117, 122;
$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);
}