#979AAC

CSS

:root {
  --machinery: #979aac;
  --machinery-rgb: 151 154 172;
  --machinery-oklch: oklch(0.69 0.027 278.2);
}

.element {
  color: var(--machinery);
  background-color: hsl(231 11% 63%);
  border-color: oklch(0.69 0.027 278.2);
}

Tailwind CSS v4

@theme {
  --color-machinery: #979aac;
  --color-machinery-50: #f3f4fd;
  --color-machinery-100: #e6e7f1;
  --color-machinery-200: #d2d3e0;
  --color-machinery-300: #b4b6c5;
  --color-machinery-400: #9a9dae;
  --color-machinery-500: #828598;
  --color-machinery-600: #6e7081;
  --color-machinery-700: #585a67;
  --color-machinery-800: #40424c;
  --color-machinery-900: #2c2d35;
  --color-machinery-950: #191a20;
}

SCSS

$machinery: #979aac;
$machinery-rgb: 151, 154, 172;
$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);
}