How to change the color code in contourf

I got an old script and i am modifying it. Below is my script

for i=1:2

h= figure;contourf(X',Y',damp_matrix(:,:,i),1000,'EdgeColor','none'); colorbar xlabel ( 'Wind direction [deg]' ); ylabel('Azimuth position [deg]');

end

Here Positive values are shown by red and negative values are shown by blue. I need the reverse of this, positive values should show blue contour and negative should show red contour.

matlab , color , simulink , plot

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