diff --git a/src/pydata_sphinx_theme/assets/styles/abstracts/_accessibility.scss b/src/pydata_sphinx_theme/assets/styles/abstracts/_accessibility.scss
index 60a1f77ad..bc5cf74b7 100644
--- a/src/pydata_sphinx_theme/assets/styles/abstracts/_accessibility.scss
+++ b/src/pydata_sphinx_theme/assets/styles/abstracts/_accessibility.scss
@@ -59,7 +59,7 @@
   @each $channel, $value in $rgb-col {
     // here we get RsRGB, GsRGB, and BsRGB
     // stylelint-disable-next-line number-max-precision
-    @if math.div($value, 255) <= 0.03928 {
+    @if math.div($value, 255) <= 0.04045 {
       $rgb-col: map.merge(
         $rgb-col,
         (