Update color palette. (#6478)

pixel/theme.json

@@ -31,27 +31,22 @@
         "color": {
             "palette": [
                 {
-                    "color": "#007cba",
+                    "color": "#040DE1",
                     "name": "Primary",
                     "slug": "primary"
                 },
                 {
-                    "color": "#006ba1",
-                    "name": "Secondary",
-                    "slug": "secondary"
-                },
-                {
-                    "color": "#333333",
+                    "color": "#040D41",
                     "name": "Foreground",
                     "slug": "foreground"
                 },
                 {
-                    "color": "#ffffff",
+                    "color": "#DDCFFF",
                     "name": "Background",
                     "slug": "background"
                 },
                 {
-                    "color": "#F0F0F0",
+                    "color": "#CDBAF9",
                     "name": "Tertiary",
                     "slug": "tertiary"
                 }