diff --git a/doc/rc/dark-16.theme b/doc/rc/dark-16.theme
index d79b6fd36..6b11fd97f 100644
--- a/doc/rc/dark-16.theme
+++ b/doc/rc/dark-16.theme
@@ -70,6 +70,7 @@ color.pri.M=white
 color.pri.L=
 color.tagged=green
 color.blocked=black on white
+color.blocking=black on bright white
 color.project.none=
 color.tag.none=
 color.alternate=
diff --git a/doc/rc/dark-256.theme b/doc/rc/dark-256.theme
index 9bf5fb495..c83ca94b2 100644
--- a/doc/rc/dark-256.theme
+++ b/doc/rc/dark-256.theme
@@ -70,6 +70,7 @@ color.pri.M=color250
 color.pri.L=color245
 color.tagged=rgb031
 color.blocked=white on color8
+color.blocking=white on color15
 color.project.none=
 color.tag.none=
 color.alternate=on color233
diff --git a/doc/rc/dark-blue-256.theme b/doc/rc/dark-blue-256.theme
index cb5ca66e9..0b90c6c31 100644
--- a/doc/rc/dark-blue-256.theme
+++ b/doc/rc/dark-blue-256.theme
@@ -70,6 +70,7 @@ color.pri.M=rgb025
 color.pri.L=rgb015
 color.tagged=color246
 color.blocked=white on rgb001
+color.blocking=white on rgb002
 color.project.none=
 color.tag.none=
 color.alternate=on color233
diff --git a/doc/rc/dark-gray-256.theme b/doc/rc/dark-gray-256.theme
index b2c67e078..ef1854145 100644
--- a/doc/rc/dark-gray-256.theme
+++ b/doc/rc/dark-gray-256.theme
@@ -70,6 +70,7 @@ color.pri.M=color7
 color.pri.L=color8
 color.tagged=gray12
 color.blocked=color15 on color8
+color.blocking=color15 on color7
 color.project.none=
 color.tag.none=
 color.alternate=on gray2
diff --git a/doc/rc/dark-green-256.theme b/doc/rc/dark-green-256.theme
index 43b0d8afe..7108cedd0 100644
--- a/doc/rc/dark-green-256.theme
+++ b/doc/rc/dark-green-256.theme
@@ -70,6 +70,7 @@ color.pri.M=rgb030
 color.pri.L=rgb010
 color.tagged=color246
 color.blocked=white on rgb010
+color.blocking=white on rgb020
 color.project.none=
 color.tag.none=
 color.alternate=on color233
diff --git a/doc/rc/dark-red-256.theme b/doc/rc/dark-red-256.theme
index 7510a45ff..380889e08 100644
--- a/doc/rc/dark-red-256.theme
+++ b/doc/rc/dark-red-256.theme
@@ -70,6 +70,7 @@ color.pri.M=rgb400
 color.pri.L=rgb300
 color.tagged=color246
 color.blocked=white on rgb100
+color.blocking=white on rgb200
 color.project.none=
 color.tag.none=
 color.alternate=on color233
diff --git a/doc/rc/dark-violets-256.theme b/doc/rc/dark-violets-256.theme
index 41460ca5a..066600d4f 100644
--- a/doc/rc/dark-violets-256.theme
+++ b/doc/rc/dark-violets-256.theme
@@ -70,6 +70,7 @@ color.pri.M=rgb304
 color.pri.L=rgb325
 color.tagged=rgb334
 color.blocked=white on rgb101
+color.blocking=white on rgb202
 color.project.none=
 color.tag.none=
 color.alternate=on gray2
diff --git a/doc/rc/dark-yellow-green.theme b/doc/rc/dark-yellow-green.theme
index f3300e451..c6e230027 100644
--- a/doc/rc/dark-yellow-green.theme
+++ b/doc/rc/dark-yellow-green.theme
@@ -70,6 +70,7 @@ color.pri.M=rgb030
 color.pri.L=rgb010
 color.tagged=rgb342
 color.blocked=white on rgb110
+color.blocking=white on rgb220
 color.project.none=
 color.tag.none=
 color.alternate=on gray0
diff --git a/doc/rc/light-16.theme b/doc/rc/light-16.theme
index ede5a7178..6ea40d742 100644
--- a/doc/rc/light-16.theme
+++ b/doc/rc/light-16.theme
@@ -70,6 +70,7 @@ color.pri.M=black
 color.pri.L=
 color.tagged=green
 color.blocked=white on black
+color.blocking=bold white on black
 color.project.none=
 color.tag.none=
 color.alternate=
diff --git a/doc/rc/light-256.theme b/doc/rc/light-256.theme
index bf2553581..d1f031005 100644
--- a/doc/rc/light-256.theme
+++ b/doc/rc/light-256.theme
@@ -70,6 +70,7 @@ color.pri.M=color237
 color.pri.L=color242
 color.tagged=rgb020
 color.blocked=gray12 on gray4
+color.blocking=gray12 on gray6
 color.project.none=
 color.tag.none=
 color.alternate=on color254
diff --git a/doc/rc/solarized-dark-256.theme b/doc/rc/solarized-dark-256.theme
index 7f66c69c8..9f927ad98 100644
--- a/doc/rc/solarized-dark-256.theme
+++ b/doc/rc/solarized-dark-256.theme
@@ -47,6 +47,7 @@ color.active=bold red
 color.alternate=on black #color0
 
 color.blocked=color0 on color10
+color.blocking=color15 on color10
 
 color.burndown.done=color0 on color4
 color.burndown.pending=color0 on color1
diff --git a/doc/rc/solarized-light-256.theme b/doc/rc/solarized-light-256.theme
index 9eb855a45..4ff7c0191 100644
--- a/doc/rc/solarized-light-256.theme
+++ b/doc/rc/solarized-light-256.theme
@@ -47,6 +47,7 @@ color.active=bold red #color9
 color.alternate=on white #color7 (allows bold for alternate rows)
 
 color.blocked=on color14
+color.blocking=on color14
 
 color.burndown.done=color0 on color4
 color.burndown.pending=color0 on color1