Fix blue in dark theme

packages/grafana-ui/src/themes/dark.ts

@@ -18,7 +18,7 @@ const basicColors = {
   gray6: '#f4f5f8',
   gray7: '#fbfbfb',
   grayBlue: '#212327',
-  blue: '#ff0000',
+  blue: '#33b5e5',
   blueDark: '#005f81',
   blueLight: '#00a8e6', // not used in dark theme
   green: '#299c46',

public/sass/_variables.dark.generated.scss

@@ -51,7 +51,7 @@ $white: #ffffff;
 
 // Accent colors
 // -------------------------
-$blue: #ff0000;
+$blue: #33b5e5;
 $green: #299c46;
 $red: $lobster-base;
 $yellow: #ecbb13;