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UiO's colours and accessability requirements

Overview of approved colour combinations within UiO's colour palette.

The University of Oslo must meet accessibility requirements. When we choose colours for text and backgrounds on different kinds of graphic materials, we have to make sure that the resulting colour combinations have a sufficiently high contrast ratio.

To make this as easy as possible, we have tested all colour combinations within UiO's colour palette and documented which of them meet the contrast accessibility requirements. 

On this page you find an overview of

Would you like to see the complete evaluation of all possible colour combinations?

Approved background colours for black text

White (logo colour)

Image may contain: Font, Circle, Gas, Astronomical object, Automotive tire.

 #FFFFFF

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Grey

#B2B3B7

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Yellow

Image may contain: Font, Gas, Circle, Astronomical object, Metal.

#FFFEA7

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Light blue

Image may contain: Sky, Astronomical object, Gas, Circle, Electric blue.

#86A4F7

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Blue tone

Image may contain: Font, Gas, Circle, Astronomical object, Rim.

#E6ECFF

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Green

Image may contain: Green, Font, Gas, Circle, Electric blue.

#2EC483

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Light green

Image may contain: Green, Font, Gas, Circle, Electric blue.

#6CE1AB

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Green tone

Image may contain: Font, Circle, Gas, Astronomical object, Automotive tire.

#CEFFDF

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Red

Image may contain: Font, Gas, Astronomical object, Circle, Automotive wheel system.

#DD0000

< 18 pts
–
> 18 pts
✓ AA

Light red

Image may contain: Font, Astronomical object, Gas, Circle, Logo.

#FB6666

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Red tone

Image may contain: Font, Gas, Circle, Astronomical object, Automotive tire.

#FEE0E0

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Orange

Image may contain: Font, Astronomical object, Circle, Gas, Electric blue.

#FEA11B

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Light orange

Image may contain: Gas, Astronomical object, Circle, Font, Electric blue.

#FDCB87

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Orange tone

Image may contain: Font, Astronomical object, Gas, Circle, Automotive tire.

#FFE8D4

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Approved text colours for black background

White

Image may contain: Moon, Rectangle, Astronomical object, Full moon, Moonlight.

 #FFFFFF

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Grey

Image may contain: Rectangle, Font, Astronomical object, Tints and shades, Circle.

#B2B3B7

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Yellow

Image may contain: Moon, Cloud, Full moon, Sky, Astronomical object.

#FFFEA7

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Light blue

Image may contain: Eye, Astronomical object, Sky, Tints and shades, Font.

#86A4F7

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Blue tone

Image may contain: Rectangle, Astronomical object, Font, Tints and shades, Circle.

#E6ECFF

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Green

Image may contain: Astronomical object, Font, Tints and shades, Electric blue, Circle.

#2EC483

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Light green

Image may contain: Astronomical object, Tints and shades, Circle, Electric blue, Midnight.

#6CE1AB

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Green tone

Image may contain: Sky, Astronomical object, Full moon, Moonlight, Tints and shades.

#CEFFDF

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Red

Image may contain: Moon, Astronomical object, Sky, Astronomy, Celestial event.

#DD0000

< 18 pts
–
> 18 pts
✓ AA

Light red

Image may contain: Moon, Sky, Astronomical object, Astronomy, Full moon.

#FB6666

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Red tone

Image may contain: Moon, Astronomical object, Moonlight, Full moon, Tints and shades.

#FEE0E0

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Orange

Image may contain: Sky, Moon, Astronomical object, Full moon, Amber.

#FEA11B

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Light orange

Image may contain: Sky, Full moon, Astronomical object, Moon, Moonlight.

#FDCB87

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Orange tone

Image may contain: Moon, Astronomical object, Full moon, Moonlight, Tints and shades.

#FFE8D4

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Approved background colours for white text

Red (seal colour)

Image may contain: Rectangle, Font, Circle.

#B60000

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Black (logo colour)

Image may contain: Moon, Rectangle, Astronomical object, Full moon, Moonlight.

#000000

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Blue

Image may contain: Blue, Sky, Astronomical object, Electric blue, Font.

#3E31D6

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Red

Image may contain: Font, Circle, Rectangle.

#DD0000

< 18 pts
✓ AA
> 18 pts
✓ AAA

Approved text colours for white background

Red (seal colour)

#B60000

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Black (logo colour)

Image may contain: Font, Circle, Gas, Astronomical object, Automotive tire.

#000000

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Blue

Image may contain: Eye, Gas, Astronomical object, Circle, Electric blue.

#3E31D6

< 18 pts
✓ AAA
> 18 pts
✓ AAA

Red

Image may contain: Circle, Font, Astronomical object, Gas, Automotive wheel system.

#DD0000

< 18 pts
✓ AA
> 18 pts
✓ AAA

Coloured text on coloured background

For those who'd like to use coloured text on coloured backgrounds, we have created a table that shows which text/background combinations – excluding black and white – meet the accessibility requirements.