#005098

CSS

:root {
  --blue-chip: #005098;
  --blue-chip-rgb: 0 80 152;
  --blue-chip-oklch: oklch(0.433 0.135 253.4);
}

.element {
  color: var(--blue-chip);
  background-color: hsl(208 100% 30%);
  border-color: oklch(0.433 0.135 253.4);
}

Tailwind CSS v4

@theme {
  --color-blue-chip: #005098;
  --color-blue-chip-50: #dcf8ff;
  --color-blue-chip-100: #caebff;
  --color-blue-chip-200: #aed7ff;
  --color-blue-chip-300: #88bafc;
  --color-blue-chip-400: #62a2ec;
  --color-blue-chip-500: #3c88dd;
  --color-blue-chip-600: #3473ba;
  --color-blue-chip-700: #295c96;
  --color-blue-chip-800: #19446f;
  --color-blue-chip-900: #102f4e;
  --color-blue-chip-950: #031b34;
}

SCSS

$blue-chip: #005098;
$blue-chip-rgb: 0, 80, 152;
$blue-chip-light: mix(#fff, $blue-chip, 20%);
$blue-chip-dark: mix(#000, $blue-chip, 20%);

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