Tomb Blue

CSS

:root {
  --tomb-blue: #0099cc;
  --tomb-blue-rgb: 0 153 204;
  --tomb-blue-oklch: oklch(0.641 0.129 231.1);
}

.element {
  color: var(--tomb-blue);
  background-color: hsl(195 100% 40%);
  border-color: oklch(0.641 0.129 231.1);
}

Tailwind CSS v4

@theme {
  --color-tomb-blue: #0099cc;
  --color-tomb-blue-50: #d2fcff;
  --color-tomb-blue-100: #bef0ff;
  --color-tomb-blue-200: #9cdeff;
  --color-tomb-blue-300: #6fc3ef;
  --color-tomb-blue-400: #39abdd;
  --color-tomb-blue-500: #0093cb;
  --color-tomb-blue-600: #007dac;
  --color-tomb-blue-700: #00648a;
  --color-tomb-blue-800: #004a66;
  --color-tomb-blue-900: #003347;
  --color-tomb-blue-950: #001f2f;
}

SCSS

$tomb-blue: #0099cc;
$tomb-blue-rgb: 0, 153, 204;
$tomb-blue-light: mix(#fff, $tomb-blue, 20%);
$tomb-blue-dark: mix(#000, $tomb-blue, 20%);

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