#BECFDD

CSS

:root {
  --winter-scene: #becfdd;
  --winter-scene-rgb: 190 207 221;
  --winter-scene-oklch: oklch(0.846 0.027 242.8);
}

.element {
  color: var(--winter-scene);
  background-color: hsl(207 31% 81%);
  border-color: oklch(0.846 0.027 242.8);
}

Tailwind CSS v4

@theme {
  --color-winter-scene: #becfdd;
  --color-winter-scene-50: #eff6fd;
  --color-winter-scene-100: #e1e9f0;
  --color-winter-scene-200: #cbd6df;
  --color-winter-scene-300: #acb9c5;
  --color-winter-scene-400: #91a1ad;
  --color-winter-scene-500: #778997;
  --color-winter-scene-600: #657480;
  --color-winter-scene-700: #515d66;
  --color-winter-scene-800: #3a444b;
  --color-winter-scene-900: #282f34;
  --color-winter-scene-950: #161b1f;
}

SCSS

$winter-scene: #becfdd;
$winter-scene-rgb: 190, 207, 221;
$winter-scene-light: mix(#fff, $winter-scene, 20%);
$winter-scene-dark: mix(#000, $winter-scene, 20%);

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