diff --git a/CHANGELOG.md b/CHANGELOG.md
index 82a03f7..cb760af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
-## [1.20.0] - 2023-03-07
+### Changed
+
+- Adjusted block background color in dark mode.
+
+## [1.20.0] - 2023-04-07
 
 ### Added
 
diff --git a/src/styles/_theme.scss b/src/styles/_theme.scss
index 5337134..0f48400 100644
--- a/src/styles/_theme.scss
+++ b/src/styles/_theme.scss
@@ -67,7 +67,7 @@ $dark-btn-secondary-text-color: $dark-text-color;
 $dark-btn-disabled-background-color: #222222;
 $dark-btn-disabled-text-color: #666666;
 
-$dark-block-background-color: #262626;
+$dark-block-background-color: #2B2B2B;
 $dark-block-link-color: #E3C093;
 $dark-block-link-hover-color: #F2E2CD;
 $dark-separator-color: $dark-background-color;