Nyctophobia Blue

CSS

:root {
  --nyctophobia-blue: #4d587a;
  --nyctophobia-blue-rgb: 77 88 122;
  --nyctophobia-blue-oklch: oklch(0.465 0.057 270.3);
}

.element {
  color: var(--nyctophobia-blue);
  background-color: hsl(225 23% 39%);
  border-color: oklch(0.465 0.057 270.3);
}

Tailwind CSS v4

@theme {
  --color-nyctophobia-blue: #4d587a;
  --color-nyctophobia-blue-50: #eff5ff;
  --color-nyctophobia-blue-100: #e1e7fc;
  --color-nyctophobia-blue-200: #cbd3ee;
  --color-nyctophobia-blue-300: #adb6d5;
  --color-nyctophobia-blue-400: #919dc1;
  --color-nyctophobia-blue-500: #7785ad;
  --color-nyctophobia-blue-600: #657092;
  --color-nyctophobia-blue-700: #515a75;
  --color-nyctophobia-blue-800: #3a4257;
  --color-nyctophobia-blue-900: #282d3c;
  --color-nyctophobia-blue-950: #161a26;
}

SCSS

$nyctophobia-blue: #4d587a;
$nyctophobia-blue-rgb: 77, 88, 122;
$nyctophobia-blue-light: mix(#fff, $nyctophobia-blue, 20%);
$nyctophobia-blue-dark: mix(#000, $nyctophobia-blue, 20%);

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