#050C0A

CSS

:root {
  --glimpse-into-space: #050c0a;
  --glimpse-into-space-rgb: 5 12 10;
  --glimpse-into-space-oklch: oklch(0.145 0.013 177);
}

.element {
  color: var(--glimpse-into-space);
  background-color: hsl(163 41% 3%);
  border-color: oklch(0.145 0.013 177);
}

Tailwind CSS v4

@theme {
  --color-glimpse-into-space: #050c0a;
  --color-glimpse-into-space-50: #f1f6f5;
  --color-glimpse-into-space-100: #e3e9e8;
  --color-glimpse-into-space-200: #cfd6d4;
  --color-glimpse-into-space-300: #b1bab7;
  --color-glimpse-into-space-400: #97a19e;
  --color-glimpse-into-space-500: #7d8986;
  --color-glimpse-into-space-600: #6a7471;
  --color-glimpse-into-space-700: #555d5b;
  --color-glimpse-into-space-800: #3e4442;
  --color-glimpse-into-space-900: #2b2f2e;
  --color-glimpse-into-space-950: #181b1a;
}

SCSS

$glimpse-into-space: #050c0a;
$glimpse-into-space-rgb: 5, 12, 10;
$glimpse-into-space-light: mix(#fff, $glimpse-into-space, 20%);
$glimpse-into-space-dark: mix(#000, $glimpse-into-space, 20%);

.element {
  color: $glimpse-into-space;
  box-shadow: 0 0 0 2px rgba($glimpse-into-space, 0.35);
}