#9998B4

CSS

:root {
  --machinery: #9998b4;
  --machinery-rgb: 153 152 180;
  --machinery-oklch: oklch(0.69 0.041 286.9);
}

.element {
  color: var(--machinery);
  background-color: hsl(242 16% 65%);
  border-color: oklch(0.69 0.041 286.9);
}

Tailwind CSS v4

@theme {
  --color-machinery: #9998b4;
  --color-machinery-50: #f4f3ff;
  --color-machinery-100: #e7e6f5;
  --color-machinery-200: #d3d2e5;
  --color-machinery-300: #b6b4cc;
  --color-machinery-400: #9c9bb6;
  --color-machinery-500: #8483a0;
  --color-machinery-600: #706e88;
  --color-machinery-700: #59586d;
  --color-machinery-800: #414150;
  --color-machinery-900: #2c2d38;
  --color-machinery-950: #1a1a22;
}

SCSS

$machinery: #9998b4;
$machinery-rgb: 153, 152, 180;
$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);
}