The Literature Inks of the Korean brand Wearingeul, or The Color of Literature Project, consists of different series of fountain pen inks in which the colors are inspired by the color moods of literary works.
A vivid red ink blending scarlet and deep crimson, inspired by the first case Watson and Sherlock investigated together, It captures the essence of the bloodstained dying message at the crime scene. This ink retlects the mystery of that dying message.
Wearingeul Arthur Conan Doyle Literature Ink in "A Study of Scarlet" Specifications