#9B99AA

CSS

:root {
  --machinery: #9b99aa;
  --machinery-rgb: 155 153 170;
  --machinery-oklch: oklch(0.69 0.025 291.1);
}

.element {
  color: var(--machinery);
  background-color: hsl(247 9% 63%);
  border-color: oklch(0.69 0.025 291.1);
}

Tailwind CSS v4

@theme {
  --color-machinery: #9b99aa;
  --color-machinery-50: #f5f4fc;
  --color-machinery-100: #e8e6f0;
  --color-machinery-200: #d4d2de;
  --color-machinery-300: #b7b5c3;
  --color-machinery-400: #9e9cac;
  --color-machinery-500: #868496;
  --color-machinery-600: #716f7f;
  --color-machinery-700: #5b5965;
  --color-machinery-800: #42414b;
  --color-machinery-900: #2d2d34;
  --color-machinery-950: #1a1a1f;
}

SCSS

$machinery: #9b99aa;
$machinery-rgb: 155, 153, 170;
$machinery-light: mix(#fff, $machinery, 20%);
$machinery-dark: mix(#000, $machinery, 20%);

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