Modal Blue

CSS

:root {
  --modal-blue: #40a6ac;
  --modal-blue-rgb: 64 166 172;
  --modal-blue-oklch: oklch(0.669 0.093 200.6);
}

.element {
  color: var(--modal-blue);
  background-color: hsl(183 46% 46%);
  border-color: oklch(0.669 0.093 200.6);
}

Tailwind CSS v4

@theme {
  --color-modal-blue: #40a6ac;
  --color-modal-blue-50: #d7feff;
  --color-modal-blue-100: #c5f2f5;
  --color-modal-blue-200: #a5e1e6;
  --color-modal-blue-300: #7cc6cc;
  --color-modal-blue-400: #52afb5;
  --color-modal-blue-500: #13989f;
  --color-modal-blue-600: #178186;
  --color-modal-blue-700: #13676c;
  --color-modal-blue-800: #0b4c4e;
  --color-modal-blue-900: #073536;
  --color-modal-blue-950: #002021;
}

SCSS

$modal-blue: #40a6ac;
$modal-blue-rgb: 64, 166, 172;
$modal-blue-light: mix(#fff, $modal-blue, 20%);
$modal-blue-dark: mix(#000, $modal-blue, 20%);

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