Croquet Blue

CSS

:root {
  --croquet-blue: #4971ad;
  --croquet-blue-rgb: 73 113 173;
  --croquet-blue-oklch: oklch(0.547 0.105 258.3);
}

.element {
  color: var(--croquet-blue);
  background-color: hsl(216 41% 48%);
  border-color: oklch(0.547 0.105 258.3);
}

Tailwind CSS v4

@theme {
  --color-croquet-blue: #4971ad;
  --color-croquet-blue-50: #e4f6ff;
  --color-croquet-blue-100: #d4e9ff;
  --color-croquet-blue-200: #bbd6ff;
  --color-croquet-blue-300: #99b9ed;
  --color-croquet-blue-400: #78a0dc;
  --color-croquet-blue-500: #5987cb;
  --color-croquet-blue-600: #4c72ab;
  --color-croquet-blue-700: #3d5b89;
  --color-croquet-blue-800: #294366;
  --color-croquet-blue-900: #1c2e48;
  --color-croquet-blue-950: #0c1b2f;
}

SCSS

$croquet-blue: #4971ad;
$croquet-blue-rgb: 73, 113, 173;
$croquet-blue-light: mix(#fff, $croquet-blue, 20%);
$croquet-blue-dark: mix(#000, $croquet-blue, 20%);

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