Mauve color palette codes and combinations
The mauve color is part of the great variety of violet colors , it is very similar to the lilac color, differing by being a little lighter, it also has a similarity with the lavender color as you can see in the following comparison.
Differences between the color mauve, lilac and lavender

#734a91 #a87bc7 #e0b0ff #f1d7ff #ffffff

#503459 #81638b #b695c0 #dac9df #ffffff

#4b1c71 #7f4ca5 #b57edc #dbb6ee #fff0ff
Ideas to combine the mauve color

#a87bc7 #e0b0ff #f1d7ff #666666 #8c8c8c

#a87bc7 #e0b0ff #f1d7ff #1465bb #2196f3

#a87bc7 #e0b0ff #f1d7ff #ffff00 #ffff6a

#a87bc7 #e0b0ff #f1d7ff #00ffff #8bffff

#a87bc7 #e0b0ff #f1d7ff #fa8072 #ffbba8

#a87bc7 #e0b0ff #f1d7ff #efb810 #f9db5c