Ozone

CSS

:root {
  --ozone: #8b95a2;
  --ozone-rgb: 139 149 162;
  --ozone-oklch: oklch(0.666 0.022 255);
}

.element {
  color: var(--ozone);
  background-color: hsl(214 11% 59%);
  border-color: oklch(0.666 0.022 255);
}

Tailwind CSS v4

@theme {
  --color-ozone: #8b95a2;
  --color-ozone-50: #f1f5fc;
  --color-ozone-100: #e3e8f0;
  --color-ozone-200: #ced5de;
  --color-ozone-300: #b0b8c3;
  --color-ozone-400: #969fac;
  --color-ozone-500: #7c8795;
  --color-ozone-600: #69727e;
  --color-ozone-700: #545c65;
  --color-ozone-800: #3d434a;
  --color-ozone-900: #2a2e33;
  --color-ozone-950: #181b1f;
}

SCSS

$ozone: #8b95a2;
$ozone-rgb: 139, 149, 162;
$ozone-light: mix(#fff, $ozone, 20%);
$ozone-dark: mix(#000, $ozone, 20%);

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