{
  "name": "Udaan Ink & Signal",
  "version": "1.0.0",
  "colors": [
    { "token": "ink-0", "hex": "#05080F", "role": "Page background" },
    { "token": "ink-1", "hex": "#0A1428", "role": "Raised surface" },
    { "token": "ink-2", "hex": "#101C38", "role": "Panel and overlay" },
    { "token": "ink-3", "hex": "#16244A", "role": "Active surface" },
    { "token": "signal-300", "hex": "#A6C8FF", "role": "Accent text on dark" },
    { "token": "signal-400", "hex": "#6E9BFF", "role": "Icons, focus and hover" },
    { "token": "signal-600", "hex": "#2B5FE3", "role": "Primary action" },
    { "token": "signal-700", "hex": "#1D4ED8", "role": "Accent on light" },
    { "token": "paper", "hex": "#F2EFE9", "role": "Light background" },
    { "token": "paper-ink", "hex": "#101720", "role": "Text on paper" },
    { "token": "text-1", "hex": "#F4F7FC", "role": "Primary text on dark" },
    { "token": "text-2", "hex": "#B9C4DA", "role": "Body text on dark" },
    { "token": "text-3", "hex": "#8A96AD", "role": "Secondary text on dark" }
  ],
  "rules": [
    "Signal blue is the only UI accent family.",
    "Purple is not an interface colour.",
    "Normal text must meet WCAG AA contrast of at least 4.5:1.",
    "Use text-dim colours for decoration only, never essential copy."
  ]
}