The regiment has carried a number of colours over the years. On 24 June 1866, major general P E Lovén presented a new colour to the two battalions of the regiment, which then replaced the previous colours. The colours were used until the disbandment of the regiment, and were carried by Jönköping-Kalmar Regiment (I 12) from 1928 to 1954. When Kalmar Regiment was re-raised in the form of a defense district staff, the regiment was assigned a new colour. The new Kalmar Regiment adopted the same colour as the Kalmar Regiment which was disbanded in 1927. However, the regiment did not inherit the 1866 colour, but was presented with a new colour model 1994. The colour was presented in Kalmar by the Chief of the Army, lieutenant general Åke Sagrén on 10 October 1992. It was used as regimental colour by Fo 18 until 15 December 1997. The colour is drawn by Bengt Olof Kälde and embroidered by machine and hand in insertion technique by Gunilla Hjort. Blazon: "On red cloth in the centre on a circular yellow shield the provincial badge of Smaland; a red lion rampant, armed blue, in the forepaws a red crossbow with a white arrow and black bow, string and trigger. On a yellow border at the upper side of the colour, battle honours (Varberg 1565, Narva 1581, Warszawa 1656, Tåget över Bält 1658, Kliszow 1702, Helsingborg 1710, Svensksund 1790) in red."