diff --git a/plots/discrete_colour_ramp.py b/plots/discrete_colour_ramp.py
index 1fc7714..2e5ab88 100644
--- a/plots/discrete_colour_ramp.py
+++ b/plots/discrete_colour_ramp.py
@@ -15,7 +15,7 @@ c_min = -8
 c_step = 2
 
 # Create colour map
-cmap = plt.cm.get_cmap('YlOrRd', (c_max - c_min + c_step) / c_step)
+cmap = plt.cm.get_cmap('Blues', (c_max - c_min + c_step) / c_step)
 
 fig, ax = plt.subplots(1, 1, figsize=(6, 4))
 
diff --git a/plots/png/discrete-colour-ramp.png b/plots/png/discrete-colour-ramp.png
index 341efb3..726fdd3 100644
Binary files a/plots/png/discrete-colour-ramp.png and b/plots/png/discrete-colour-ramp.png differ