The hex color #2d3af1 is a dark color. The web-safe version is Hex
#3333FF. A complementary color is
#D2C50E. The grayscale version is
#737373. A 20% lighter version of the original color is
#606DFF, and Hex
#0007BE is the 20% darker color. If the color is saturated by 10%, you get
#2634FE. If the color is desaturated by 10%, the color
#3440E4 is obtained.