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Brand kit

Assets for websites, presentations and press.

Download the full guide as a PDF

Using the logo

¼ h
Leave clear space

Leave at least ¼ of the symbol height on every side. For the full logo, measure using its symbol.

Symbol at 32 pixelsFull logo at 160 pixels wide
Minimum digital size

Symbol: 32 px wide. Full logo: 160 px wide. Check print legibility at the actual output size.

A regular hexagon

Six equal sides and 120° interior angles. Preserve the logo’s aspect ratio.

Do not stretch
Do not rotate
Do not recolor
Keep contrast

Colors

Brand and links#17386C
Wordmark and headings#111318
Body text#1B2739
Soft background#EEF4FB
Base background#FFFFFF
Black logo background#000000
Blue on white · 11.5 : 1White on blue · 11.5 : 1

Typography

Outfit ↗

Headings · 500–600

You used to give AI tasks. Now it works for you.

Inter ↗

Body 400 · emphasis 600–700

Promptbook hands ongoing work to AI agents that run on your computer or server and follow your rules.

The full wordmark uses Inter Medium (500) for “prompt” and Inter Bold (700) for “book” at the same size. The entire “ptbk” abbreviation uses Inter Medium (500).

Příliš žluťoučký kůň úpěl ďábelské ódy. 0123456789

Copy to use

Write Promptbook in text. The visual wordmark is promptbook, without a dot.

The official abbreviation is ptbk and is written in lowercase. Use the same spelling for the CLI command.

Main message

You used to give AI tasks. Now it works for you.

One sentence

Promptbook hands ongoing work to AI agents that run on your computer or server and follow your rules.

Short description

Hand over a responsibility. Set the rules. Start your agents. They work independently. They ask only when they need you. You can check in at any time. The engine runs on your computer or server, with your files and your choice of models.

Be specific

“Agents draft a reply using your CRM history.” Instead of “Revolutionary AI transforms your business.”

Templates

Presentation slide template

Presentation · 16 : 9

Social post template

Social · 1200 × 630

AI agents for our clients

Promptbook

Partner website

Use the complete logo linked to ptbk.io. Keep your own brand separate.

SVG templates are editable and use Outfit and Inter. PNGs have the fonts rendered in.

Robot from the Promptbook homepage

Homepage robot

A supporting illustration. The head and body edges follow the golden ratio. The two diagonal feet have half the body edge length.