The hex color #34588c is a dark color. The web-safe version is Hex
#336699. A complementary color is
#CBA773. The grayscale version is
#5D5D5D. A 20% lighter version of the original color is
#678BBF, and Hex
#012559 is the 20% darker color. If the color is saturated by 10%, you get
#305791. If the color is desaturated by 10%, the color
#385987 is obtained.