The hex color #2B5DA7 is a dark color. The web-safe version is Hex
#336699. A complementary color is
#D4A258. The grayscale version is
#656565. A 20% lighter version of the original color is
#5E90DA, and Hex
#002A74 is the 20% darker color. If the color is saturated by 10%, you get
#255CAE. If the color is desaturated by 10%, the color
#315EA0 is obtained.