Flood Out

CSS

:root {
  --flood-out: #579dab;
  --flood-out-rgb: 87 157 171;
  --flood-out-oklch: oklch(0.655 0.073 212);
}

.element {
  color: var(--flood-out);
  background-color: hsl(190 33% 51%);
  border-color: oklch(0.655 0.073 212);
}

Tailwind CSS v4

@theme {
  --color-flood-out: #579dab;
  --color-flood-out-50: #dffbff;
  --color-flood-out-100: #cdeff7;
  --color-flood-out-200: #b1dde8;
  --color-flood-out-300: #8cc2ce;
  --color-flood-out-400: #69aab8;
  --color-flood-out-500: #4393a2;
  --color-flood-out-600: #3a7c89;
  --color-flood-out-700: #2e646e;
  --color-flood-out-800: #204950;
  --color-flood-out-900: #153338;
  --color-flood-out-950: #061e23;
}

SCSS

$flood-out: #579dab;
$flood-out-rgb: 87, 157, 171;
$flood-out-light: mix(#fff, $flood-out, 20%);
$flood-out-dark: mix(#000, $flood-out, 20%);

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