#17846C

CSS

:root {
  --shadows-of-time: #17846c;
  --shadows-of-time-rgb: 23 132 108;
  --shadows-of-time-oklch: oklch(0.55 0.1 173.1);
}

.element {
  color: var(--shadows-of-time);
  background-color: hsl(167 70% 30%);
  border-color: oklch(0.55 0.1 173.1);
}

Tailwind CSS v4

@theme {
  --color-shadows-of-time: #17846c;
  --color-shadows-of-time-50: #d9fff3;
  --color-shadows-of-time-100: #c6f3e6;
  --color-shadows-of-time-200: #a8e3d2;
  --color-shadows-of-time-300: #7ec8b5;
  --color-shadows-of-time-400: #58b299;
  --color-shadows-of-time-500: #249b80;
  --color-shadows-of-time-600: #22836c;
  --color-shadows-of-time-700: #1c6957;
  --color-shadows-of-time-800: #134d3e;
  --color-shadows-of-time-900: #0d362a;
  --color-shadows-of-time-950: #012118;
}

SCSS

$shadows-of-time: #17846c;
$shadows-of-time-rgb: 23, 132, 108;
$shadows-of-time-light: mix(#fff, $shadows-of-time, 20%);
$shadows-of-time-dark: mix(#000, $shadows-of-time, 20%);

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