Juliet Blue

CSS

:root {
  --juliet-blue: #a5bec8;
  --juliet-blue-rgb: 165 190 200;
  --juliet-blue-oklch: oklch(0.786 0.031 223.9);
}

.element {
  color: var(--juliet-blue);
  background-color: hsl(197 24% 72%);
  border-color: oklch(0.786 0.031 223.9);
}

Tailwind CSS v4

@theme {
  --color-juliet-blue: #a5bec8;
  --color-juliet-blue-50: #ecf7fc;
  --color-juliet-blue-100: #deeaf0;
  --color-juliet-blue-200: #c7d7de;
  --color-juliet-blue-300: #a8bbc4;
  --color-juliet-blue-400: #8ca3ac;
  --color-juliet-blue-500: #718b95;
  --color-juliet-blue-600: #60767e;
  --color-juliet-blue-700: #4c5e65;
  --color-juliet-blue-800: #37454a;
  --color-juliet-blue-900: #263033;
  --color-juliet-blue-950: #141c1f;
}

SCSS

$juliet-blue: #a5bec8;
$juliet-blue-rgb: 165, 190, 200;
$juliet-blue-light: mix(#fff, $juliet-blue, 20%);
$juliet-blue-dark: mix(#000, $juliet-blue, 20%);

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