#06BBE8

CSS

:root {
  --blue-bikini: #06bbe8;
  --blue-bikini-rgb: 6 187 232;
  --blue-bikini-oklch: oklch(0.736 0.137 223.3);
}

.element {
  color: var(--blue-bikini);
  background-color: hsl(192 95% 47%);
  border-color: oklch(0.736 0.137 223.3);
}

Tailwind CSS v4

@theme {
  --color-blue-bikini: #06bbe8;
  --color-blue-bikini-50: #ccfeff;
  --color-blue-bikini-100: #b7f2ff;
  --color-blue-bikini-200: #92e1ff;
  --color-blue-bikini-300: #5fc6ec;
  --color-blue-bikini-400: #07afd9;
  --color-blue-bikini-500: #0097c8;
  --color-blue-bikini-600: #0080a8;
  --color-blue-bikini-700: #006787;
  --color-blue-bikini-800: #004c63;
  --color-blue-bikini-900: #003546;
  --color-blue-bikini-950: #00202d;
}

SCSS

$blue-bikini: #06bbe8;
$blue-bikini-rgb: 6, 187, 232;
$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);
}