Calligraphy Inks: A Complete Guide to Choosing the Right Ink

The ink you use matters as much as the pen you hold. A beautiful nib paired with the wrong ink will produce frustrating results — skipping, bleeding, feathering, or lines that dry dull and lifeless. Conversely, the right ink makes every stroke feel effortless and look sharp.

This guide covers the major types of calligraphy ink, when to use each one, and how to care for your tools after a session.

Ink Types at a Glance

Sumi Ink (Japanese Ink)

Sumi ink is a carbon-based ink that has been used in East Asian calligraphy and painting for centuries. It produces deep, matte black lines with excellent opacity.

Best for: Pointed pen calligraphy, broad-edge calligraphy, practice work, and finished pieces where you want a bold black.

Pros: Waterproof once dry, extremely opaque, archival quality, available in liquid form or as an ink stick that you grind yourself.

Cons: Can clog nibs if it dries on them. Some brands are too thick for fine nibs and need diluting with a few drops of distilled water.

Recommended brands: Kuretake Sumi Ink, Yasutomo Sumi Ink, Moon Palace Sumi Ink.

If you are just starting with pointed pen calligraphy, sumi ink is an excellent default choice.

Iron Gall Ink

Iron gall ink was the standard writing ink of the Western world from the medieval period through the early twentieth century. It is made from tannic acid (from oak galls), iron sulfate, and a binder. It writes as a pale gray-purple and darkens to a rich brownish-black over hours and days as the iron oxidizes.

Best for: Italic and other broad-edge hands, historical reproductions, work on parchment or vellum.

Pros: Thin consistency flows beautifully through nibs. Waterproof once fully oxidized. The color transformation is visually striking. Extremely archival — manuscripts written in iron gall ink have survived over a thousand years.

Cons: Acidic and can corrode nibs over time if not cleaned promptly. Not suitable for fountain pens unless formulated specifically for them.

Recommended brands: Old World Ink (handmade batches), Diamine Registrar’s Ink (fountain-pen safe), homemade recipes for dip pen use.

Walnut Ink

Made from walnut hulls, this ink produces warm, sepia-toned brown lines. It has been a favorite of calligraphers for centuries due to its beautiful color and forgiving nature.

Best for: Practice, warm-toned finished pieces, historical document reproductions.

Pros: Gentle on nibs (no corrosion), beautiful warm color, easy to make at home from walnut hull crystals, inexpensive.

Cons: Not waterproof, limited to brown tones, can fade if exposed to prolonged sunlight.

Gouache

Gouache is an opaque watercolor that, when mixed to the right consistency, works beautifully in calligraphy nibs. It is the go-to choice when you need color.

Best for: Colored calligraphy, work on dark paper, envelope addressing, finished art pieces.

Pros: Unlimited color options, opaque coverage (writes on dark surfaces), archival quality, intermixable.

Cons: Requires mixing with water to achieve the right consistency — too thick and it will not flow; too thin and it becomes transparent. Dries in the nib quickly and requires frequent re-dipping.

Recommended brands: Winsor & Newton Designers Gouache, Holbein Artists’ Gouache.

Mixing tip: Squeeze a pea-sized amount into a small dish. Add drops of water and stir with a brush until the consistency resembles heavy cream. Test on scrap paper before committing to your final piece.

Acrylic Ink

Acrylic-based inks are vibrant, waterproof, and available in a wide range of colors. They are popular for modern calligraphy and hand lettering projects.

Best for: Vibrant color work, projects that need to be waterproof, mixed-media art.

Pros: Intensely pigmented, waterproof once dry, permanent, wide color range.

Cons: Waterproof means it dries permanently in nibs — you must clean your tools immediately and thoroughly. Can clog delicate nibs.

Recommended brands: Dr. Ph. Martin’s Bombay India Ink (acrylic-based), Liquitex Professional Acrylic Ink, Daler-Rowney FW Acrylic Ink.

Fountain Pen Ink

Standard fountain pen inks (water-based dye inks) can be used for calligraphy with dip pens, though they were designed for fountain pens.

Best for: Practice sessions, when you want to use a color you already own, fountain pen calligraphy.

Pros: Enormous variety of colors and brands, flows easily, gentle on nibs, easy to clean.

Cons: Typically not waterproof, less opaque than purpose-made calligraphy inks, can feather on absorbent paper. For a deep dive into fountain pen ink options, see our ink guide for beginners.

Choosing the Right Ink for Your Project

The decision comes down to three factors: your pen, your paper, and your purpose.

For practice with a dip pen: Sumi ink or walnut ink. Both flow well, clean up easily, and cost little per session.

For finished black work: Sumi ink for a matte black or iron gall for a rich brownish-black with character.

For colored work: Gouache (if you want opacity and control) or acrylic ink (if you want vibrancy and permanence).

For fountain pen calligraphy: Use only inks labeled fountain-pen safe. Never put sumi ink, acrylic ink, or India ink in a fountain pen — they will clog and potentially ruin the feed mechanism.

For dark paper: Gouache (white or light colors), metallic inks, or Dr. Ph. Martin’s Bleed Proof White.

Ink and Paper Compatibility

Ink behavior changes dramatically with paper. A smooth, coated paper (like Rhodia or HP Premium Laser) will produce crisp lines with minimal feathering. A rough or absorbent paper (like watercolor paper or cheap copy paper) will produce fuzzy edges and bleeding.

Always test your ink-and-paper combination before starting a final piece. Write a few practice letters on a scrap of the same paper you plan to use.

Caring for Your Nibs

Ink residue is the number one killer of calligraphy nibs. Follow these steps after every session:

Wipe the nib with a damp cloth or paper towel to remove wet ink.
Dip the nib in a small cup of water and wipe again.
For stubborn dried ink, soak the nib in warm water for a few minutes, then gently scrub with an old toothbrush.
Dry the nib thoroughly to prevent rust, especially if you use iron gall ink.
Store nibs in a dry container.

With proper care, a good nib can last for years. Neglect cleaning, and even the finest nib will corrode, clog, and lose its crispness within weeks.

Building Your Ink Collection

Start with one good black ink (sumi) and one color option (a tube of white gouache). These two will cover the vast majority of calligraphy projects. As you develop preferences and take on more varied work, expand into iron gall, walnut, and acrylic inks. The world of calligraphy ink is deep, but you do not need to own it all to create beautiful work.