Foundation Pen Inks By Diamine Inks - Oxford Blue Diamine Oxford Blue Fountain Pen Ink is a sophisticated, deep navy blue ink that exudes elegance and professionalism. Perfect for both everyday writing and formal correspondence, this ink offers rich saturation with excellent flow and shading characteristics. Its smooth performance makes it compatible with a wide range of fountain pens, while its dark tone provides strong legibility on the page. Oxford Blue dries to a clean, classic finish with minimal feathering or bleed-through, making it a reliable choice for those who prefer a timeless and refined blue ink.