diff --git a/src/spaces/oklab.js b/src/spaces/oklab.js
index efb897661..fa99122eb 100644
--- a/src/spaces/oklab.js
+++ b/src/spaces/oklab.js
@@ -12,17 +12,19 @@ Color.defineSpace({
     inGamut: coords => true,
 	// Note that XYZ is relative to D65
     white: Color.whites.D65,
+	// Recalculated for consistent reference white
+	// see https://github.com/w3c/csswg-drafts/issues/6642#issuecomment-943521484
     XYZtoLMS_M: [
-		[  0.8189330101,  0.3618667424,  -0.1288597137 ],
-		[  0.0329845436,  0.9293118715,   0.0361456387 ],
-		[  0.0482003018,  0.2643662691,   0.6338517070 ]
-    ],
+		[ 0.8190224432164319,    0.3619062562801221,   -0.12887378261216414 ],
+		[ 0.0329836671980271,    0.9292868468965546,     0.03614466816999844 ],
+		[ 0.048177199566046255,  0.26423952494422764,    0.6335478258136937  ]
+	],
     // inverse of XYZtoLMS_M
     LMStoXYZ_M: [
-        [  1.227013851103521026,    -0.5577999806518222383,  0.28125614896646780758  ],
-        [ -0.040580178423280593977,  1.1122568696168301049, -0.071676678665601200577 ],
-        [ -0.076381284505706892869, -0.42148197841801273055, 1.5861632204407947575   ]
-    ],
+		[  1.2268798733741557,  -0.5578149965554813,   0.28139105017721583],
+		[ -0.04057576262431372,  1.1122868293970594,  -0.07171106666151701],
+		[ -0.07637294974672142, -0.4214933239627914,   1.5869240244272418 ]
+],
     LMStoLab_M: [
 		[  0.2104542553,   0.7936177850,  -0.0040720468 ],
 		[  1.9779984951,  -2.4285922050,   0.4505937099 ],