Inktend / Ink library / Midnight Sapphire

Robert Oster

Midnight Sapphire

Blues & navies#4B4B78

An Australian ink maker known for saturated, often sheening colors and frequent small-batch releases.

Track this bottle → Find this ink ↗Also on Amazon

As an Amazon Associate I earn from qualifying purchases.

Specs

Color familyBlues & navies
Approx. hex#4B4B78
SheenNot typically noted

Paper & pairing

Blues and navies are the most broadly "safe" fountain pen colors: legible, professional, and unlikely to raise eyebrows in an office. This ink will behave predictably on most fountain-pen-friendly paper. Cheap, highly absorbent paper (standard copier paper) will dull any ink's saturation and can cause feathering or bleed-through with wetter nibs.

Own a bottle of Midnight Sapphire?
Track fills, remaining bottle life, and your real paper swatch in Inktend.
Track it →

About Robert Oster

An Australian ink maker known for saturated, frequently sheening small-batch colors.

Australia Founded c. 2014
See all Robert Oster products →

Storing and using the bottle

Bottled fountain pen ink has an effectively long shelf life when kept capped and out of direct sunlight: most inks remain usable for years. The main risk isn't the ink spoiling, it's a pen sitting inked and unused for weeks: that's what causes clogs, not the ink's age.

Frequently asked questions

What color family is Midnight Sapphire?
Midnight Sapphire falls into Inktend's blues & navies family based on its typical swatch color.
Does Midnight Sapphire have sheen?
Midnight Sapphire is not typically noted for sheen. If you want that effect, browse similarly colored inks tagged with sheen in the ink library.
How should I store a bottle of Midnight Sapphire?
Years, easily, as long as it stays capped and out of direct sunlight. The thing that actually shortens an ink's usable life is sitting unused inside a pen, not sitting on a shelf.
What paper works best with Midnight Sapphire?
It behaves predictably on most fountain-pen-friendly paper. Stick to something reasonably absorbent-resistant, since cheap copier paper dulls saturation and can feather.

Similar shades By colour distance

Purple Jazz
Robert Oster
Midnight Blue
Noodler's
Into the Dawn
Arcus Artisan Inks
Violet #1
Heironymus
Navy Blue
ZyCC
Ink '20
Franklin-Christoph

Color shown is a close digital approximation of a typical swatch, not a calibrated color match.