#0083B1

CSS

:root {
  --mermaid-dreams: #0083b1;
  --mermaid-dreams-rgb: 0 131 177;
  --mermaid-dreams-oklch: oklch(0.573 0.117 232.1);
}

.element {
  color: var(--mermaid-dreams);
  background-color: hsl(196 100% 35%);
  border-color: oklch(0.573 0.117 232.1);
}

Tailwind CSS v4

@theme {
  --color-mermaid-dreams: #0083b1;
  --color-mermaid-dreams-50: #d6fcff;
  --color-mermaid-dreams-100: #c2efff;
  --color-mermaid-dreams-200: #a3ddff;
  --color-mermaid-dreams-300: #78c2ea;
  --color-mermaid-dreams-400: #4baad8;
  --color-mermaid-dreams-500: #0092c6;
  --color-mermaid-dreams-600: #057ca7;
  --color-mermaid-dreams-700: #086386;
  --color-mermaid-dreams-800: #004963;
  --color-mermaid-dreams-900: #023345;
  --color-mermaid-dreams-950: #001e2d;
}

SCSS

$mermaid-dreams: #0083b1;
$mermaid-dreams-rgb: 0, 131, 177;
$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);
}