Dokumentus Dark Blue Ink is a professional-grade fountain pen ink designed for permanence, reliability, and serious writing. Featuring a deep, authoritative dark blue tone, this ink is ideal for official documents, signatures, note-taking, and everyday writing where durability truly matters.

Formulated to be waterproof, lightfast, and archival, Dokumentus Dark Blue resists fading, smudging, and moisture once dry. Despite its permanent properties, it flows smoothly through fountain pens, offering consistent performance without clogging when used with regular pen maintenance.

The colour strikes a perfect balance—formal enough for professional use, yet rich and pleasant for extended writing sessions. Whether you’re signing important paperwork, maintaining records, or simply prefer dependable inks with lasting quality, Dokumentus Dark Blue is a trusted choice.

Key Features

• Dark blue archival fountain pen ink

• Waterproof and light-resistant once dry

• Suitable for official documents and long-term records

• Smooth, controlled flow for everyday fountain pen use

• Ideal for professional, academic, and personal writing