#5A98C8

CSS

:root {
  --canadian-tuxedo: #5a98c8;
  --canadian-tuxedo-rgb: 90 152 200;
  --canadian-tuxedo-oklch: oklch(0.657 0.096 243.4);
}

.element {
  color: var(--canadian-tuxedo);
  background-color: hsl(206 50% 57%);
  border-color: oklch(0.657 0.096 243.4);
}

Tailwind CSS v4

@theme {
  --color-canadian-tuxedo: #5a98c8;
  --color-canadian-tuxedo-50: #dff9ff;
  --color-canadian-tuxedo-100: #ceecff;
  --color-canadian-tuxedo-200: #b3d9fc;
  --color-canadian-tuxedo-300: #8ebde6;
  --color-canadian-tuxedo-400: #6aa5d3;
  --color-canadian-tuxedo-500: #478dc1;
  --color-canadian-tuxedo-600: #3d77a3;
  --color-canadian-tuxedo-700: #315f83;
  --color-canadian-tuxedo-800: #204661;
  --color-canadian-tuxedo-900: #153144;
  --color-canadian-tuxedo-950: #061d2c;
}

SCSS

$canadian-tuxedo: #5a98c8;
$canadian-tuxedo-rgb: 90, 152, 200;
$canadian-tuxedo-light: mix(#fff, $canadian-tuxedo, 20%);
$canadian-tuxedo-dark: mix(#000, $canadian-tuxedo, 20%);

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