What were the colors of the historic Estonian flag ?
The shade of blue is defined in the Estonian flag law as follows : Blue tone is on the international PANTONE table of colours 285 C. CMYK equivalents : C = 91 , M = 43 , Y = 0 , K = 0RGB equivalents : R = 18 , G = 145 , B = 255HEX notation : # 1291FF