The hex color #2c38b9 is a dark color. The web-safe version is Hex
#3333CC. A complementary color is
#D3C746. The grayscale version is
#5F5F5F. A 20% lighter version of the original color is
#5F6BEC, and Hex
#000586 is the 20% darker color. If the color is saturated by 10%, you get
#2734C2. If the color is desaturated by 10%, the color
#313CB0 is obtained.