#00C2EB

CSS

:root {
  --blue-bikini: #00c2eb;
  --blue-bikini-rgb: 0 194 235;
  --blue-bikini-oklch: oklch(0.753 0.137 220.3);
}

.element {
  color: var(--blue-bikini);
  background-color: hsl(190 100% 46%);
  border-color: oklch(0.753 0.137 220.3);
}

Tailwind CSS v4

@theme {
  --color-blue-bikini: #00c2eb;
  --color-blue-bikini-50: #cbffff;
  --color-blue-bikini-100: #b6f3ff;
  --color-blue-bikini-200: #90e2ff;
  --color-blue-bikini-300: #5bc7ea;
  --color-blue-bikini-400: #00b0d6;
  --color-blue-bikini-500: #0099c5;
  --color-blue-bikini-600: #0081a6;
  --color-blue-bikini-700: #006785;
  --color-blue-bikini-800: #004c62;
  --color-blue-bikini-900: #003545;
  --color-blue-bikini-950: #00202c;
}

SCSS

$blue-bikini: #00c2eb;
$blue-bikini-rgb: 0, 194, 235;
$blue-bikini-light: mix(#fff, $blue-bikini, 20%);
$blue-bikini-dark: mix(#000, $blue-bikini, 20%);

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