#22568B

CSS

:root {
  --blue-chip: #22568b;
  --blue-chip-rgb: 34 86 139;
  --blue-chip-oklch: oklch(0.446 0.103 251.6);
}

.element {
  color: var(--blue-chip);
  background-color: hsl(210 61% 34%);
  border-color: oklch(0.446 0.103 251.6);
}

Tailwind CSS v4

@theme {
  --color-blue-chip: #22568b;
  --color-blue-chip-50: #e1f8ff;
  --color-blue-chip-100: #d1ebff;
  --color-blue-chip-200: #b6d7ff;
  --color-blue-chip-300: #93bbec;
  --color-blue-chip-400: #70a2da;
  --color-blue-chip-500: #4f8ac8;
  --color-blue-chip-600: #4475a9;
  --color-blue-chip-700: #365d88;
  --color-blue-chip-800: #244565;
  --color-blue-chip-900: #182f47;
  --color-blue-chip-950: #091c2e;
}

SCSS

$blue-chip: #22568b;
$blue-chip-rgb: 34, 86, 139;
$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);
}