Flags South Asia and the Indian Ocean British Indian Ocean Territory

Flag of British Indian Ocean Territory

territory

The flag of British Indian Ocean Territory was adopted on November 8, 1990. Wavy blue and white stripes with a Union Jack and a palm tree. It uses 5 colours: blue, white, red, green and gold. The official proportions are 1:2.

The national flag of British Indian Ocean Territory
Hoist Ratio 1:2 Fly

Basic Flag Information

Flag Name Flag of British Indian Ocean Territory
Country British Indian Ocean Territory
Official Country Name British Indian Ocean Territory
Capital Diego Garcia
Continent Africa
Region Eastern Africa
ISO Country Code IO / IOT
Internet Domain .io
Calling Code +246
Currency United States dollar (USD)
National Language(s) English
Demonym Indian
Area 60 km²

Flag Specifications

Official Flag Name Flag of British Indian Ocean Territory
Adopted On November 8, 1990
First Used 1990
Current Version Adopted November 8, 1990
Flag Proportion 1:2
Flag Shape Rectangle
Number of Colors 5
Main Colors Blue, White, Red, Green, Gold
Design Type Wavy blue and white stripes with a Union Jack and a palm tree
Official Status Official Territorial Flag

Flag Color Information

Color Appearance HEX Code RGB CMYK
Blue #012169 1, 33, 105 99, 69, 0, 59
White #FFFFFF 255, 255, 255 0, 0, 0, 0
Red #C8102E 200, 16, 46 0, 92, 77, 22
Green #009E49 0, 158, 73 100, 0, 54, 38
Gold #FFD100 255, 209, 0 0, 18, 100, 0

Flag Design and Symbols

Blue colour Represents the Indian Ocean
White colour Represents the waves
Red colour Represents the Union Jack
Green colour Represents the palm tree
Gold colour Represents the crown
Wavy stripes The waters of the Indian Ocean — an unusual design for a British territory
Palm tree and crown The tropical islands and the British sovereign

Flag History

Year / Period Event
1990 The design was first used
1990-11-08 The current flag was officially adopted
Present The flag remains in official use
Present The flag remains in official use

Flag Dimensions and Construction

Official Ratio 1:2
Width 1 units (hoist)
Length 2 units (fly)

British Indian Ocean Territory Flag Usage

Government Buildings Yes
Schools Yes
Civil Use Yes
Official Ceremonies Yes
Sports Events Yes

Other Official Flags of British Indian Ocean Territory

Flag Type Use Link
National Flag National representation View flag
Civil Flag Used by civilians View flag
State Flag Used by government View flag
War Flag Used during military operations View flag
Naval Ensign Used by the navy View flag
Air Force Flag Used by the air force View flag
Presidential Standard Used by the head of state View flag
Royal Standard Used by the monarch View flag
Historical Flag Previous national flag View flag

Quick Facts About the Flag

Flag Age 36 years old as of 2026
Adoption Date November 8, 1990
Oldest Version 1990
Most Common Color Blue
Similar Flags Anguilla, Ascension Island, Australia
Unique Feature Wavy blue and white stripes with a Union Jack and a palm tree

Other british-style ensign flags

See all

Facts about the Flag of British Indian Ocean Territory

  1. The wavy blue and white lines represent the Indian Ocean, with a palm tree and a crown above them.
  2. The territory has no permanent civilian population, which makes this one of very few flags representing a place where nobody lives permanently.
  3. The flag of British Indian Ocean Territory was officially adopted on November 8, 1990.
  4. The flag in its present form is 36 years old as of 2026.
  5. Design type: Wavy blue and white stripes with a Union Jack and a palm tree.
  6. The official proportions are 1:2. It shares that ratio with 55 national flags.
  7. The flag uses 5 colours: blue, white, red, green and gold.
  8. The blue on the flag stands for the Indian Ocean.
  9. The white on the flag stands for the waves.
  10. The red on the flag stands for the Union Jack.
  11. Wavy stripes: The waters of the Indian Ocean — an unusual design for a British territory.
  12. Palm tree and crown: The tropical islands and the British sovereign.
  13. The design belongs to the "British-style ensign" family, shared with 22 other flags in this reference.
  14. Flags most often confused with it: Anguilla, Ascension Island and Australia.
  15. British Indian Ocean Territory is a British Overseas Territory, administered by the United Kingdom.
  16. The capital is Diego Garcia. The currency is the United States dollar (USD).
  17. It covers 60 km².
  18. The ISO country codes are IO and IOT. The internet domain is .io.

Frequently Asked Questions about the Flag of British Indian Ocean Territory

When was the flag of British Indian Ocean Territory adopted?

The flag of British Indian Ocean Territory was officially adopted on November 8, 1990.

What do the colours of the flag of British Indian Ocean Territory mean?

Blue for the Indian Ocean, white for the waves, red for the Union Jack, green for the palm tree and gold for the crown.

Is British Indian Ocean Territory an independent country?

British Indian Ocean Territory is a British Overseas Territory, administered by the United Kingdom, a status held since 1965.

What do the symbols on the flag of British Indian Ocean Territory represent?

Wavy stripes — The waters of the Indian Ocean — an unusual design for a British territory. Palm tree and crown — The tropical islands and the British sovereign.

What are the proportions of the flag of British Indian Ocean Territory?

The official ratio is 1:2, which makes the flag rectangular. It shares those proportions with 55 national flags.

What is the capital of British Indian Ocean Territory?

The capital is Diego Garcia. The currency is the United States dollar (USD) and the language spoken is English.

Which flags look similar to the flag of British Indian Ocean Territory?

The closest matches are Anguilla, Ascension Island and Australia, which share both the construction and most of the colours.

How many colours are on the flag of British Indian Ocean Territory?

It uses 5 colours: blue, white, red, green and gold.

Can I download the flag of British Indian Ocean Territory for free?

Yes. This page offers the flag of British Indian Ocean Territory in SVG, PNG, JPG and WebP at several sizes. The files are free to use for any purpose and no attribution is required.

How big is British Indian Ocean Territory?

The area is 60 km².