The Mark
Mark — dark canvas
Mark — light canvas
Mark anatomy
A single tilted page — the post, ready to ship. The mark is always rendered upright at its native angle; never rotated, sheared, or re-proportioned. It keeps its colours on light canvases — the white page reads against the light tile.
Scale & legibility
16px24px32px48px64px16px favicon in simulated browser tab context
Lockups
A · Horizontal — primary lockup
B · Stacked — mark over script wordmark
App icon & avatar
Dark tile
Light tile
Blue tile
Social avatar
Monochrome
Open Graph / Social
Postmill
AI-Native Social Media Management
postmill.ai
Colour system
Postmill Blue
#2b5cd3
Primary accent · CTAs · mark face
Sky
#1d9bf0
Secondary accent · links · highlights
Magenta
#aa0fa4
Tertiary accent · creative surface
Dark
#0c0c0f
Page canvas (dark-first)
Panel
#131318
Elevated cards, frames
Panel Alt
#1a1a21
Inputs, hover surfaces
Off-white
#f0f0f4
Primary text on dark
Light Tile
#EEEEF5
Light presentation canvas
Hero glow — rgba(43, 92, 211, 0.20)
A restrained radial gradient behind hero and OG moments only. Never applied to the mark itself, and never in functional UI chrome, tables, or forms.
Typography
Display · Plus Jakarta Sans 700–800
Your whole social media team. One platform.
UI text · Plus Jakarta Sans 600–700
Schedule · Campaigns · Inbox · Analytics · Media Library
Body · Plus Jakarta Sans 400–500
Postmill writes, designs, schedules, replies, and reports — the work of a full social team, in one place. On your channels, in your brand voice, with AI that runs on your own keys.
Mono · JetBrains Mono 400–500 (code & CLI contexts only)
npx postmill schedule --channel x,linkedin --at "fri 10:00"
Clear space · Minimum size
Minimum clear space: 0.5× mark height on all sides
The dashed line marks the exclusion zone — no other logotypes, imagery, or text within this boundary.
Minimum sizes
16px
Favicon floor
96px
Nav bar minimum, width
72px
Mark height minimum
32px
System tray minimum
Don'ts
No stretching or squashing
No heavy drop shadows
No rotation
No off-brand colours
No gradients on the mark
No low-contrast placement
Postmill Brand Guidelines · v1.0 · 2026