diff --git a/assets/sass/_theme/_configuration.sass b/assets/sass/_theme/_configuration.sass
index 6f596879025c31be73c6a5ead73d5202834e7a78..a10fb51f079b4ca1878a99d91d4ff82e58c776eb 100644
--- a/assets/sass/_theme/_configuration.sass
+++ b/assets/sass/_theme/_configuration.sass
@@ -11,9 +11,9 @@ $has-dark-mode: true
 $color-dark-accent: rgb(120, 208, 255) !default
 $color-dark-text: #ffffff !default
 $color-dark-text-alt: #cbcbcb !default
-$color-dark-border: rgba(255, 255, 255, 0.3) !default
-$color-dark-background-alt: #202020 !default
 $color-dark-background: #000000 !default
+$color-dark-background-alt: #181919 !default
+$color-dark-border: rgba(255, 255, 255, 0.3) !default
 
 $body-color: var(--color-text) !default
 $body-background-color: var(--color-background) !default
@@ -438,6 +438,9 @@ $posts-grid-columns: $block-posts-grid-columns !default
 // Person
 $persons-avatar-background-color: var(--color-background-alt) !default
 
+// Organization
+$organization-background-color: $color-background-alt !default // Use sass variable color-background To avoid dark logo on darkmode background-alt color
+
 // Program
 $program-essential-font-size: $meta-size !default
 $program-essential-font-size-desktop: $meta-size-desktop !default
diff --git a/assets/sass/_theme/sections/organizations.sass b/assets/sass/_theme/sections/organizations.sass
index c7a08ae680ada5b38e2d352971d00f0e7d6f3653..c468c7e5dfff9fa46661538e921a410308b57ce2 100644
--- a/assets/sass/_theme/sections/organizations.sass
+++ b/assets/sass/_theme/sections/organizations.sass
@@ -10,7 +10,7 @@
             display: block
     .media
         @include handle-svg-fit
-        background: $color-background-alt
+        background: $organization-background-color
         margin-bottom: $spacing-2
         order: -1
         overflow: hidden