Kieran Agard had put the hosts ahead after 39 minutes and they held out until the 73rd minute for a valuable point in their bid to pull away from the relegation zone.
With closest rivals Brighton playing Burnley on Sunday, the draw moved Hull a point clear at the top of the table.
Derby moved up to fourth with a 2-0 home win over Cardiff, who saw their play-off hopes hit as a result
The Rams broke the deadlock after 55 minutes through George Thorne after good work by Chris Martin and Andreas Weimann wrapped up the win with the second
Birmingham remain sixth despite a 1-0 home defeat to Charlton, who moved out of the bottom three as a result
Johnnie Jackson headed in from a c ross by Tareiq Holmes-Dennis for the only goal as Charlton withstood the home side's fruitless search for an equaliser
Reading moved to within a point of Birmingham as Steve Clarke's decision to turn down Fulham looked like a good one as his side won 2-1 at home to Bolton
Lucas Piazon and Danny Williams got the Reading goals as Bolton dropped to the foot of the table despite a late consolation from Liam Feeney
Sheffield Wednesday are up to eighth with a 3-1 home win over Huddersfield after the visitors took the lead
Sean Scannell's header eight minutes after the break gave Huddersfield the advantage but Lucas Joao levelled with 12 minutes remaining
Kieran Lee and Joao scored late on to wrap the win for Wednesday
Ipswich were twice pegged back as Wolves earned a 2-2 draw at Portman Road
Jonathan Douglas and Daryl Murphy gave Ipswich the lead but Wolves earned a draw through equalisers from James Henry and Benik Afobe
Neil Redfearn enjoyed a happy return to Elland Road as the former Leeds manager saw his Rotherham side win for the first time with a 1-0 success
Joe Newell got the all-important goal before both sides were reduced to 10 men, Rotherham's Leon Best and Gaetano Berardi of Leeds dismissed for violent conduct following an incident off the ball
A Jordan Pickford own goal and a Jordan Rhodes strike saw Blackburn win 2-1 at Preston, whose goal came from Joe Garner
Ten-man Brentford won 2-1 at home to Nottingham Forest as Harlee Dean went from hero to villain
Dean's header had set up Sergi Canos for Brentford's opener before he was sent off
Forest levelled through Henri Lansbury but Philipp Hoffman's winner ensured three points for the home side
MK Dons and Fulham finished 1-1, Dean Bowditch putting the home side ahead before Moussa Dembele ensured a share of the spoils for managerless Fulham.
Source : PA