Message Templates Font Color Change
In the message template there's two lines near the top that look like this:

{capture assign=labelStyle }style="padding: 4px; border-bottom: 1px solid #999; background-color: #f7f7f7;"{/capture}
{capture assign=valueStyle }style="padding: 4px; border-bottom: 1px solid #999;"{/capture}


If you change them to add a color: #1f497d; to look like this it should work:

{capture assign=labelStyle }style="padding: 4px; border-bottom: 1px solid #999; background-color: #f7f7f7; color: #1f497d;"{/capture}
{capture assign=valueStyle }style="padding: 4px; border-bottom: 1px solid #999; color: #1f497d;"{/capture}