#008CC2

CSS

:root {
  --mermaid-dreams: #008cc2;
  --mermaid-dreams-rgb: 0 140 194;
  --mermaid-dreams-oklch: oklch(0.604 0.128 234.7);
}

.element {
  color: var(--mermaid-dreams);
  background-color: hsl(197 100% 38%);
  border-color: oklch(0.604 0.128 234.7);
}

Tailwind CSS v4

@theme {
  --color-mermaid-dreams: #008cc2;
  --color-mermaid-dreams-50: #d4fcff;
  --color-mermaid-dreams-100: #c0efff;
  --color-mermaid-dreams-200: #9fddff;
  --color-mermaid-dreams-300: #74c1f0;
  --color-mermaid-dreams-400: #43aadf;
  --color-mermaid-dreams-500: #0092ce;
  --color-mermaid-dreams-600: #007bad;
  --color-mermaid-dreams-700: #00638b;
  --color-mermaid-dreams-800: #004967;
  --color-mermaid-dreams-900: #003348;
  --color-mermaid-dreams-950: #001e2f;
}

SCSS

$mermaid-dreams: #008cc2;
$mermaid-dreams-rgb: 0, 140, 194;
$mermaid-dreams-light: mix(#fff, $mermaid-dreams, 20%);
$mermaid-dreams-dark: mix(#000, $mermaid-dreams, 20%);

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