diff --git a/netbox/utilities/templates/helpers/utilization_graph.html b/netbox/utilities/templates/helpers/utilization_graph.html
index fe1c0fc9a..04b0391bf 100644
--- a/netbox/utilities/templates/helpers/utilization_graph.html
+++ b/netbox/utilities/templates/helpers/utilization_graph.html
@@ -9,8 +9,13 @@
       aria-valuemin="0"
       aria-valuemax="100"
       aria-valuenow="{{ utilization }}"
+      {% if is_full_danger %}
+      class="progress-bar"
+      style="width: {{ utilization }}%; background-color: #800080;"
+      {% else %}
       class="progress-bar {{ bar_class }}"
       style="width: {{ utilization }}%;"
+      {% endif %}
     >
       {% if utilization >= 25 %}{{ utilization }}%{% endif %}
     </div>
@@ -18,4 +23,4 @@
       <span class="ps-1">{{ utilization }}%</span>
     {% endif %}
   </div>
-{% endif %}
+{% endif %}
\ No newline at end of file
diff --git a/netbox/utilities/templatetags/helpers.py b/netbox/utilities/templatetags/helpers.py
index 0e45cb581..cfba03b87 100644
--- a/netbox/utilities/templatetags/helpers.py
+++ b/netbox/utilities/templatetags/helpers.py
@@ -389,6 +389,9 @@ def utilization_graph(utilization, warning_threshold=75, danger_threshold=90):
     """
     Display a horizontal bar graph indicating a percentage of utilization.
     """
+    is_full_danger = False
+    if utilization == 100:
+        is_full_danger = True
     if danger_threshold and utilization >= danger_threshold:
         bar_class = 'bg-danger'
     elif warning_threshold and utilization >= warning_threshold:
@@ -397,9 +400,11 @@ def utilization_graph(utilization, warning_threshold=75, danger_threshold=90):
         bar_class = 'bg-success'
     else:
         bar_class = 'bg-gray'
+        is_full_danger = False
     return {
         'utilization': utilization,
         'bar_class': bar_class,
+        'is_full_danger': is_full_danger,
     }