diff --git a/airflow-core/src/airflow/ui/src/components/Graph/Edge.tsx b/airflow-core/src/airflow/ui/src/components/Graph/Edge.tsx
index 156384d11384a..a337572797da0 100644
--- a/airflow-core/src/airflow/ui/src/components/Graph/Edge.tsx
+++ b/airflow-core/src/airflow/ui/src/components/Graph/Edge.tsx
@@ -27,7 +27,7 @@ import type { EdgeData } from "./reactflowUtils";
 type Props = EdgeType<EdgeData>;
 
 const CustomEdge = ({ data }: Props) => {
-  const [strokeColor] = useToken("colors", ["border.inverted"]);
+  const [strokeColor, blueColor] = useToken("colors", ["border.inverted", "blue.500"]);
 
   if (data === undefined) {
     return undefined;
@@ -60,9 +60,9 @@ const CustomEdge = ({ data }: Props) => {
         <LinePath
           data={[section.startPoint, ...(section.bendPoints ?? []), section.endPoint]}
           key={section.id}
-          stroke={strokeColor}
+          stroke={rest.isSelected ? blueColor : strokeColor}
           strokeDasharray={rest.isSetupTeardown ? "10,5" : undefined}
-          strokeWidth={rest.isSelected ? 2 : 1}
+          strokeWidth={rest.isSelected ? 3 : 1}
           x={(point: ElkPoint) => point.x}
           y={(point: ElkPoint) => point.y}
         />
diff --git a/airflow-core/src/airflow/ui/src/components/Graph/TaskNode.tsx b/airflow-core/src/airflow/ui/src/components/Graph/TaskNode.tsx
index 803a19959ea72..2674d32a953a7 100644
--- a/airflow-core/src/airflow/ui/src/components/Graph/TaskNode.tsx
+++ b/airflow-core/src/airflow/ui/src/components/Graph/TaskNode.tsx
@@ -75,7 +75,7 @@ export const TaskNode = ({
             // Alternate background color for nested open groups
             bg={isOpen && depth !== undefined && depth % 2 === 0 ? "bg.muted" : "bg"}
             borderColor={
-              taskInstance?.state ? `${taskInstance.state}.solid` : isSelected ? "border.inverted" : "border"
+              isSelected ? "blue.500" : taskInstance?.state ? `${taskInstance.state}.solid` : "border"
             }
             borderRadius={5}
             borderWidth={isSelected ? 4 : 2}