One Year of Rain

CSS

:root {
  --one-year-of-rain: #29465b;
  --one-year-of-rain-rgb: 41 70 91;
  --one-year-of-rain-oklch: oklch(0.381 0.05 241.3);
}

.element {
  color: var(--one-year-of-rain);
  background-color: hsl(205 38% 26%);
  border-color: oklch(0.381 0.05 241.3);
}

Tailwind CSS v4

@theme {
  --color-one-year-of-rain: #29465b;
  --color-one-year-of-rain-50: #e9f7ff;
  --color-one-year-of-rain-100: #daeaf8;
  --color-one-year-of-rain-200: #c3d7e9;
  --color-one-year-of-rain-300: #a2bbd0;
  --color-one-year-of-rain-400: #85a3ba;
  --color-one-year-of-rain-500: #688ba5;
  --color-one-year-of-rain-600: #59758b;
  --color-one-year-of-rain-700: #475e70;
  --color-one-year-of-rain-800: #324552;
  --color-one-year-of-rain-900: #223039;
  --color-one-year-of-rain-950: #111c24;
}

SCSS

$one-year-of-rain: #29465b;
$one-year-of-rain-rgb: 41, 70, 91;
$one-year-of-rain-light: mix(#fff, $one-year-of-rain, 20%);
$one-year-of-rain-dark: mix(#000, $one-year-of-rain, 20%);

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