Graf von Faber-Castell Cobalt Blue is my fifth review of the new Graf von Faber-Castell (GvFC) ink line. Blue would be near the bottom of my list if I was to rank my color preferences. I decided to give it a chance anyway. I had the other five inks and I have a compulsion to complete sets, so I decided to give this one a try.
Since I rarely use blue inks I don’t have much to compare with this ink. It’s color is what I consider a true blue. It is a dark blue ink, but I still consider it a vivid blue, not a blue-black. Based on the color on the box I expected some hints of violet, but there’s none that I can see. There’s a bit of sheen to the ink.
When used in my wet Omas nib or in a broad nib there’s some shading. Drying times ranged from very good to very long. My extra fine nib dried fast enough to be smudge free on all the papers I used. The longest it took was four seconds on Rhodia paper. Other nibs took considerably longer on Rhodia paper (drying times are in the writing samples). On the other hand, all nibs, even the wide and wet ones, dried quickly on generic Staples copy paper. Although those quick dry times on the Staple paper came at the expense of bleed-through and feathering.
This is a dark ink so some show through was expected, but it was a bit more than I expected, especially on the copy paper. There was heavy show-through and some minor bleed-through on the copy paper with the wetter nibs and the feathering was noticeable. The feathering wasn’t noticeable to me on the Doane or Rhodia paper unless I looked closely so I could call it light feathering. The Cobalt Blue definitely has more bleed-through and feathering than the other four GvFC inks I’ve used.
I’d stop short of calling the ink waterproof, but it is very water-resistant. The ink color ran, but the writing was clearly visible after the water test. Graf von Faber-Castell does classify this ink as document proof and permanent.
The ink cleaned easily from my pens, although it wasn’t in any of them for more than a week. It also cleaned easily from my hands after an unplanned inky fingers test. It washed off easily after being on my hand for about 30 minutes. Just soap, water, a washcloth and a small bit of scrubbing were all that was needed.
I used the ink in the Omas 360 Vintage LE which has a custom Mike Masuyama fine nib. It’s a very wet writing nib, certainly my wettest fine and among my wettest nibs of any grind. There weren’t any flow problems or skipping. This pen is finicky with some inks but the GvFC Cobalt Blue wrote great with the pen. I used it as my primary writer for a couple of problem free days.
I also used the Vac 700 with an extra fine nib for a day. Again, no flow problems or skipping. I used the pen for note taking during a smug free day.
The Retro 51 with a wet, medium nib and the TWSBI Vac 700 with the 1.1 mm nib were only used for the writing samples.
Graf von Faber-Castell Cobalt Blue is a nice blue ink. I don’t want a lot of blue inks and since the GvFC Cobalt Blue is a well-behaved ink and a pleasing blue it can fill the blue slot.