#8AB0D1

CSS

:root {
  --high-tide: #8ab0d1;
  --high-tide-rgb: 138 176 209;
  --high-tide-oklch: oklch(0.741 0.063 245);
}

.element {
  color: var(--high-tide);
  background-color: hsl(208 44% 68%);
  border-color: oklch(0.741 0.063 245);
}

Tailwind CSS v4

@theme {
  --color-high-tide: #8ab0d1;
  --color-high-tide-50: #e7f7ff;
  --color-high-tide-100: #d8eafc;
  --color-high-tide-200: #bfd7ee;
  --color-high-tide-300: #9ebbd7;
  --color-high-tide-400: #7fa3c2;
  --color-high-tide-500: #628bae;
  --color-high-tide-600: #537693;
  --color-high-tide-700: #425e76;
  --color-high-tide-800: #2f4557;
  --color-high-tide-900: #20303d;
  --color-high-tide-950: #0f1c26;
}

SCSS

$high-tide: #8ab0d1;
$high-tide-rgb: 138, 176, 209;
$high-tide-light: mix(#fff, $high-tide, 20%);
$high-tide-dark: mix(#000, $high-tide, 20%);

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