The hex color #2d03e5 is a dark color. The web-safe version is Hex
#3300CC. A complementary color is
#D2FC1A. The grayscale version is
#5C5C5C. A 20% lighter version of the original color is
#6036FF, and Hex
#0000B2 is the 20% darker color. If the color is saturated by 10%, you get
#2800F3. If the color is desaturated by 10%, the color
#320CD7 is obtained.