Reminds me of an old favorite...
This blue reminds me of the old Parker Quink Permanent Blue from my school days. That's not a bad thing. Seems on the dry side to me, but I've been forced to use cheap paper at work, and it writes well on it, so that's not necessarily a bad thing either. The only drawback is that it's pricier than some other inks that are similar in color (not necessarily in behavior), but if you must have this exact shade...