Cosmic Blue

CSS

:root {
  --cosmic-blue: #93c3cb;
  --cosmic-blue-rgb: 147 195 203;
  --cosmic-blue-oklch: oklch(0.786 0.052 208.8);
}

.element {
  color: var(--cosmic-blue);
  background-color: hsl(189 35% 69%);
  border-color: oklch(0.786 0.052 208.8);
}

Tailwind CSS v4

@theme {
  --color-cosmic-blue: #93c3cb;
  --color-cosmic-blue-50: #e5fafe;
  --color-cosmic-blue-100: #d5edf2;
  --color-cosmic-blue-200: #bcdbe1;
  --color-cosmic-blue-300: #9abfc6;
  --color-cosmic-blue-400: #7ba7af;
  --color-cosmic-blue-500: #5c9098;
  --color-cosmic-blue-600: #4e7a81;
  --color-cosmic-blue-700: #3e6167;
  --color-cosmic-blue-800: #2c484b;
  --color-cosmic-blue-900: #1e3234;
  --color-cosmic-blue-950: #0e1e20;
}

SCSS

$cosmic-blue: #93c3cb;
$cosmic-blue-rgb: 147, 195, 203;
$cosmic-blue-light: mix(#fff, $cosmic-blue, 20%);
$cosmic-blue-dark: mix(#000, $cosmic-blue, 20%);

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