The hex color #2b64e4 is a dark color. The web-safe version is Hex
#3366CC. A complementary color is
#D49B1B. The grayscale version is
#7C7C7C. A 20% lighter version of the original color is
#5E97FF, and Hex
#0031B1 is the 20% darker color. If the color is saturated by 10%, you get
#2362EE. If the color is desaturated by 10%, the color
#3366DA is obtained.