<gh_stars>0
import plotly.graph_objects as go

fig = go.Figure(data=go.Contour(
    z=[[10, 10.625, 12.5, 15.625, 20],
       [5.625, 6.25, 8.125, 11.25, 15.625],
       [2.5, 3.125, 5., 8.125, 12.5],
       [0.625, 1.25, 3.125, 6.25, 10.625],
       [0, 0.625, 2.5, 5.625, 10]],
    colorbar=dict(
        title='Color bar title',  # title here
        titleside='right',
        titlefont=dict(
            size=14,
            family='Arial, sans-serif')
    )))

fig.show()
