#0E4BC0

CSS

:root {
  --flying-fish-blue: #0e4bc0;
  --flying-fish-blue-rgb: 14 75 192;
  --flying-fish-blue-oklch: oklch(0.457 0.193 261.9);
}

.element {
  color: var(--flying-fish-blue);
  background-color: hsl(219 86% 40%);
  border-color: oklch(0.457 0.193 261.9);
}

Tailwind CSS v4

@theme {
  --color-flying-fish-blue: #0e4bc0;
  --color-flying-fish-blue-50: #d9f6ff;
  --color-flying-fish-blue-100: #c7e8ff;
  --color-flying-fish-blue-200: #aad3ff;
  --color-flying-fish-blue-300: #84b4ff;
  --color-flying-fish-blue-400: #5c9aff;
  --color-flying-fish-blue-500: #387cff;
  --color-flying-fish-blue-600: #306ada;
  --color-flying-fish-blue-700: #2655b0;
  --color-flying-fish-blue-800: #143f83;
  --color-flying-fish-blue-900: #0d2b5d;
  --color-flying-fish-blue-950: #021840;
}

SCSS

$flying-fish-blue: #0e4bc0;
$flying-fish-blue-rgb: 14, 75, 192;
$flying-fish-blue-light: mix(#fff, $flying-fish-blue, 20%);
$flying-fish-blue-dark: mix(#000, $flying-fish-blue, 20%);

.element {
  color: $flying-fish-blue;
  box-shadow: 0 0 0 2px rgba($flying-fish-blue, 0.35);
}