The hex color #2f59e8 is a dark color. The web-safe version is Hex
#3366FF. A complementary color is
#D0A617. The grayscale version is
#7B7B7B. A 20% lighter version of the original color is
#628CFF, and Hex
#0026B5 is the 20% darker color. If the color is saturated by 10%, you get
#2756F3. If the color is desaturated by 10%, the color
#375CDD is obtained.