#55BBDC

CSS

:root {
  --blue-martini: #55bbdc;
  --blue-martini-rgb: 85 187 220;
  --blue-martini-oklch: oklch(0.745 0.105 222.3);
}

.element {
  color: var(--blue-martini);
  background-color: hsl(195 66% 60%);
  border-color: oklch(0.745 0.105 222.3);
}

Tailwind CSS v4

@theme {
  --color-blue-martini: #55bbdc;
  --color-blue-martini-50: #d6fcff;
  --color-blue-martini-100: #c3f0ff;
  --color-blue-martini-200: #a3dff6;
  --color-blue-martini-300: #79c3e0;
  --color-blue-martini-400: #4caccb;
  --color-blue-martini-500: #0095b8;
  --color-blue-martini-600: #097e9b;
  --color-blue-martini-700: #0a657d;
  --color-blue-martini-800: #024a5b;
  --color-blue-martini-900: #033440;
  --color-blue-martini-950: #001f29;
}

SCSS

$blue-martini: #55bbdc;
$blue-martini-rgb: 85, 187, 220;
$blue-martini-light: mix(#fff, $blue-martini, 20%);
$blue-martini-dark: mix(#000, $blue-martini, 20%);

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