Cult Pens Deep Dark Purple

A workhorse ink, currently in my Platinum 3776 Century UEF. A deep, rich colour which still works on ivory paper. On white paper however it is much easier to see the purple. It’s a nice understated colour suitable for the office.

Cult Pens Deep Dark Purple
Cult Pens Deep Dark Purple

On filling, this ink gives the gold nib the appearance of being rose gold which is surprisingly nice (I do not like the look of gold). The ink has a good flow but is not too wet, it’s also easy to clean. I enjoy writing with this ink. I don’t come across others in the office using purple but while it is different it’s not too bright to get too much attention.

My experience with darker, more saturated Diamine inks has one consistent feature, gunk. As I use the pen residue builds up on the nib, typically on the underside at the ends of the feed and along the channel between the tines. So long as I am writing constantly there is no issue. However, stopping for a couple of minutes without closing the cap leads to the flow of ink being blocked. It can take a few moment following cleaning to get started again; this delay has been quite frustrating when I do not have another pen to hand.


An intriguing feature of this build up of residue is the resulting change in the properties of the nib, making the line take on a similar appearance to that left by an architect grind. It’s quite entertaining if I’m honest. The residue has a green tint to it which I cannot see in the ink itself.

An ink with personality but not too much.


Since posting my initial review above, I have swapped this ink into a different pen and what a huge change this made. It’s now in my Pilot Custom 74 which has a Fine nib, quite a bit larger than the platinum.1

Cult Pens Deep Dark Purple + Pilot Custom 74

This wider nib lays down significantly more ink, showing more of that purple colour. It’s great with the purple now looking even richer than before on the page. The writing experience is also changed; that variation due to the residue is gone and where I felt as if I were painting, it’s a more normal writing experience. The build up of residue on the nib is now virtually non-existent, with some of that green colour deposited about corners on the feed and a small amount on the top of the nib along the channel between the tines.

Of course, with more ink means a longer drying time but that’s no major issue, this ink is quite well aligned to others in use.

So, it’s now an ink with slightly more personality but still not too much.

1 Yes, the UEF is so fine that switching to a Japanese fine feels at first like I’ve started to write with a crayon (perhaps I embellish)


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