diff --git a/docs/conf.py b/docs/conf.py
index 3a07385a3c..e0bcd5a16d 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -189,8 +189,8 @@
         "color-sidebar-search-text": "white",
         "color-sidebar-search-icon": BROWN,
         # The announcement background and text color
-        "color-announcement-background": "red",
-        "color-announcement-text": "black",
+        "color-announcement-background": LIGHT_BLUE,
+        "color-announcement-text": LIGHT_GRAY,
     },
     # Colors for dark mode.
     "dark_css_variables": {
@@ -226,8 +226,8 @@
         # Color of search bar when clicking search
         "color-sidebar-search-background--focus": DARK_BLUE,
         # The announcement background and text color
-        "color-announcement-background": "red",
-        "color-announcement-text": "black",
+        "color-announcement-background": LIGHT_BLUE,
+        "color-announcement-text": LIGHT_GRAY,
     },
     # Logos. Location is relative to _static folder.
     "light_logo": "logo1.svg",  # Logo for light mode