update(theme): add Blue-Grey hue 700 contrast color
update(theme): add Blue-Grey hue 700 contrast color

Closes #6894

dmitriz/material,profoundry-us/material,marekmicek/material,ErinCoughlan/material,HarrisCorp/material,oostmeijer/material,ServiceManagementGroup/material,david-gang/material,miguelcobain/material,Splaktar/material,Frank3K/material,jadjoubran/material,profoundry-us/material,ilovett/material,HarrisCorp/material,graingert/material,Splaktar/material,graingert/material,HarrisCorp/material,jelbourn/material,daniel-nagy/material,imjoeco/material,DerekLouie/material,epelc/material,2947721120/angular-material,daniel-nagy/material,clshortfuse/material,SamDLT/material,bluebirdtech/material,acoreyj/material,ilovett/material,programmist/material,david-gang/material,Splaktar/material,ilovett/material,angular/material,vertazzar/material,hayloft/material,j3ski/material,acoreyj/material,hodeyp/material,vertazzar/material,imjoeco/material,epelc/material,dmitriz/material,jelbourn/material,robertmesserle/material,welkinhealth/material,clshortfuse/material,SamDLT/material,DerekLouie/material,HipsterZipster/material,Splaktar/material,DevVersion/material,angular/material,acoreyj/material,bluebirdtech/material,colinskow/material,ErinCoughlan/material,angular/material,JonFerrera/material,hodeyp/material,j3ski/material,programmist/material,welkinhealth/material,epelc/material,DevVersion/material,miguelcobain/material,jelbourn/material,HipsterZipster/material,daniel-nagy/material,dmitriz/material,clshortfuse/material,graingert/material,pwistbac/material,DevVersion/material,ServiceManagementGroup/material,programmist/material,oostmeijer/material,bluebirdtech/material,ilovett/material,vertazzar/material,crisbeto/material,gkalpak/material,crisbeto/material,2947721120/angular-material,welkinhealth/material,marekmicek/material,gkalpak/material,acoreyj/material,2947721120/angular-material,gmoothart/material,welkinhealth/material,kamilkisiela/material,gmoothart/material,miguelcobain/material,programmist/material,kamilkisiela/material,SamDLT/material,angular/material,epelc/material,DevVersion/material,HarrisCorp/material,vertazzar/material,pwistbac/material,2947721120/angular-material,hayloft/material,imjoeco/material,ErinCoughlan/material,HipsterZipster/material,hayloft/material,kamilkisiela/material,jadjoubran/material,Frank3K/material,bluebirdtech/material,crisbeto/material,hayloft/material,oostmeijer/material,miguelcobain/material,j3ski/material,robertmesserle/material,kamilkisiela/material,j3ski/material,JonFerrera/material,pwistbac/material,robertmesserle/material,colinskow/material,marekmicek/material,pwistbac/material,colinskow/material,ServiceManagementGroup/material,david-gang/material,DerekLouie/material,SamDLT/material,hodeyp/material,oostmeijer/material,imjoeco/material,JonFerrera/material,gkalpak/material,jadjoubran/material,Frank3K/material,jelbourn/material,ErinCoughlan/material,Frank3K/material,gkalpak/material,crisbeto/material,profoundry-us/material,marekmicek/material,dmitriz/material,HipsterZipster/material,robertmesserle/material,DerekLouie/material,colinskow/material,hodeyp/material,gmoothart/material,gmoothart/material,clshortfuse/material,david-gang/material,JonFerrera/material,ServiceManagementGroup/material,jadjoubran/material,daniel-nagy/material,graingert/material,profoundry-us/material