Brand 
mark · cobalt 
mark · dark theme 
mark · one-color 
mark · white 
lockup · light 
lockup · dark
Brand guide
The robium mark, lockup, palette, and type. Assets are transparent PNGs; click any tile to download. Sources and processing notes live in the repo at website/public/brand/README.md.
Logo
mark · cobalt robium-mark.png mark · dark theme robium-mark-dark.png mark · one-color robium-mark-navy.png mark · white robium-mark-white.png lockup · light robium-lockup.png lockup · dark robium-lockup-dark.png - Swap the mark by background: cobalt or navy on light grounds, bright cobalt or white on dark grounds; never navy on dark, never white on light.
- The wordmark is always lowercase: robium.
- Keep clear space around the mark of at least half its height.
Color
Core
Cobalt
#2563EBaccent · light theme Cobalt bright
#4C8DFFaccent · dark theme Ink
#0F172Abrand ink / dark ground Paper
#FFFFFFlight ground Light ramp: "Paper & Cobalt"
Tint
#F8FAFC Panel
#F1F5F9 Border
#E2E8F0 Ink 2
#64748B Muted
#94A3B8 Accent ink
#1D4ED8 Dark ramp: the same slate, lights off
Tint
#131D33 Panel
#1B2740 Border
#24324D Border 2
#33455F Ink
#F1F5F9 Ink 2
#A5B4C8 Aurora gradient
Aurora
#7C5CFF → #4DA3FFgradients, buttons, demo pages Type
robium
Poppins SemiBold
The wordmark's typeface, used only in the lockup, always lowercase.
Physical AI skills
System sans
-apple-system / Segoe UI / Helvetica: headlines and body on robium.ai.
npx robium-ai setup
System mono
ui-monospace / SF Mono / Menlo: labels, terminals, skill names.
Demo workspace
Inter Variable
App and demo interfaces (the workspace pages).