Evening Glory

CSS

:root {
  --evening-glory: #3a4a62;
  --evening-glory-rgb: 58 74 98;
  --evening-glory-oklch: oklch(0.406 0.046 258.3);
}

.element {
  color: var(--evening-glory);
  background-color: hsl(216 26% 31%);
  border-color: oklch(0.406 0.046 258.3);
}

Tailwind CSS v4

@theme {
  --color-evening-glory: #3a4a62;
  --color-evening-glory-50: #eef6ff;
  --color-evening-glory-100: #dfe8f8;
  --color-evening-glory-200: #c9d5e8;
  --color-evening-glory-300: #aab8cf;
  --color-evening-glory-400: #8ea0ba;
  --color-evening-glory-500: #7487a5;
  --color-evening-glory-600: #62738b;
  --color-evening-glory-700: #4e5c70;
  --color-evening-glory-800: #384352;
  --color-evening-glory-900: #262e39;
  --color-evening-glory-950: #151b24;
}

SCSS

$evening-glory: #3a4a62;
$evening-glory-rgb: 58, 74, 98;
$evening-glory-light: mix(#fff, $evening-glory, 20%);
$evening-glory-dark: mix(#000, $evening-glory, 20%);

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