|色の名前Japan Color Name||鉄紺（てつこん）|
|RGB||R:000 G:049 B:073|
|CMYK||C:85 M:00 Y:00 K:85|
|Web カラーHex triplet|
[Explanation of a color]
The Tetsukon, in “Tetsu-iro” tinged “Kon-iro”, is slightly dark blue tinged with green body. Kon-iro is a color that is dyed by repeating the indigo dye, in the Edo era was the most day-to-day, high-demand color. It lets you know ask from the fact that the generic name of the dye shop called “Konya”.
Indigo is also to come slightly tinged with purple only enough to dye, Mino Murasaki strong Kon-iro was separately called “Shikon” and “Nasukon”. In Mino Murasaki to reverse small green Mino Kon-iro that were distinguished with the decoration of “Tetsu” is “Tetsukon”. Tetsukon will be the depth of the color close to the “Koiai” in the time of peace.
There is also a color called “Kontetsu” middle of Tetsu-iro and Kon-iro, but more of Kontetsu is a little bright color.
By the way, is the color of the sash to be used in the Hakone Ekiden of the New Year the famous Toyo University land portion “Tetsukon”.