Is it possible to make hist3 plots smoother?

Is it possible to make hist3 plots smoother?

I use hist3() function to plot the density of points. It creates a grid
and finds the number of points in each grid, then it creates the plot. But
the colors on the plot are discrete. Is there an option to make this
distribution smooth, i.e. make transition from one color to another
smoother. Now all the cells of the grid have different colors, from grin
to yellow and the distribution is not apparent.
I use the following code.
axis equal;
colormap(jet);
n = hist3(final',[40,40]);
n1 = n';
n1( size(n,1) + 1 ,size(n,2) + 1 ) = 0;
xb = linspace(min(final(:,1)),max(final(:,1)),size(n,1)+1);
yb = linspace(min(final(:,2)),max(final(:,2)),size(n,1)+1);
pcolor(xb,yb,n1);
Thanks in advance.