diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f87960a..9681d7ba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@ Versioning](https://semver.org/spec/v2.0.0.html).
    file distributed with django-machina
  - coalesce SASS color variables between django-machina and bootstrap
  - use a fluid container for a better iframe integration
+ - change SASS colors
 
 ## [1.0.0-beta.1] - 2020-05-04
 
diff --git a/src/frontend/scss/_variables.scss b/src/frontend/scss/_variables.scss
index 5b023465..aaf41a35 100644
--- a/src/frontend/scss/_variables.scss
+++ b/src/frontend/scss/_variables.scss
@@ -1,3 +1,8 @@
+// Customize bootstrap variables (before imports)
+
+$blue: #3877bc;
+$red: #fe3925;
+
 @import 'bootstrap/scss/functions';
 @import 'bootstrap/scss/variables';