January Blue

CSS

:root {
  --january-blue: #00a1b9;
  --january-blue-rgb: 0 161 185;
  --january-blue-oklch: oklch(0.651 0.114 213.1);
}

.element {
  color: var(--january-blue);
  background-color: hsl(188 100% 36%);
  border-color: oklch(0.651 0.114 213.1);
}

Tailwind CSS v4

@theme {
  --color-january-blue: #00a1b9;
  --color-january-blue-50: #d1feff;
  --color-january-blue-100: #bdf2ff;
  --color-january-blue-200: #9be1f3;
  --color-january-blue-300: #6dc6dc;
  --color-january-blue-400: #36b0c7;
  --color-january-blue-500: #0099b3;
  --color-january-blue-600: #008197;
  --color-january-blue-700: #006779;
  --color-january-blue-800: #004c59;
  --color-january-blue-900: #00353e;
  --color-january-blue-950: #002027;
}

SCSS

$january-blue: #00a1b9;
$january-blue-rgb: 0, 161, 185;
$january-blue-light: mix(#fff, $january-blue, 20%);
$january-blue-dark: mix(#000, $january-blue, 20%);

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