Isolated Traveller Flags Europe
CZ CZE
Flag of Czechia

A national flag · vexillological catalog

Flag of Czechia.

Although Czechoslovakia split in 1993, Czechia retained the original Czechoslovak flag — the only successor state to the federation to do so.

Proportion
2:3
Adopted
1920
Of
Czechia
01 · Symbolism
White and red were the historic Bohemian colours; the blue triangle was added to distinguish from Poland's flag and to represent Moravia and Slovakia.
02 · Palette

The colours, in order.

White

FFFFFF

Red

CE1126

Blue

003580

03 · About

On the design.

Although Czechoslovakia split in 1993, Czechia retained the original Czechoslovak flag — the only successor state to the federation to do so.

The design

The Flag of Czechia is a national emblem rendered in the colours and proportions defined by the country’s flag law. Its official aspect ratio is 2:3, the height-to-length ratio that fixes how the flag should be cut and flown. The colour scheme uses White, Red, Blue, with each shade specified to particular Pantone or RGB values for official reproduction.

Colour palette

Colour Name Common symbolism
White White Commonly represents peace, purity, honesty or snow-capped landscapes.
Red Red Often signifies courage, sacrifice, revolution or the blood of those who fought for the nation.
Blue Blue Frequently symbolises sky, sea, freedom, vigilance or perseverance.
Source Official flag law The country’s own statute or constitutional appendix specifies exact shades and proportions.

Symbolism & heraldry

White and red were the historic Bohemian colours; the blue triangle was added to distinguish from Poland's flag and to represent Moravia and Slovakia.

Heraldic elements on the Flag of Czechia — bands, charges, emblems or stars — each carry meaning agreed at the moment of the flag’s adoption. Re-readings happen across generations: a colour or a symbol that began with one meaning often picks up further layers as the country’s history unfolds.

Adoption & history

The current flag was adopted in 1920. Earlier banners flown by Czechia reflected the politics of their day; each redesign typically marked a moment of independence, regime change or constitutional reform. The current flag was chosen, debated and codified through the country’s official channels and is now protected by flag law.

Etiquette & protocol

The Flag of Czechia should be flown with respect: never allowed to touch the ground, never used as drapery for ceremonies it was not made for, and lowered or removed at sundown unless illuminated. When flown alongside other national flags, it takes precedence on home soil and is hoisted first and lowered last. On days of national mourning, the flag is flown at half-mast in line with directives from the head of state. These conventions are common to most nations and are usually written into the flag’s founding statute.

Specifications

Field Value Note
Country Czechia
Continent Europe
ISO alpha-2 CZ 2-letter code
ISO alpha-3 CZE 3-letter code
Adopted 1920 year of current design
Proportion 2:3 height : length
Colours White, Red, Blue
Designer
Emoji 🇨🇿 Unicode codepoint sequence

Did you know?

When Czechoslovakia split, Slovakia agreed not to use the existing flag, but Czechia kept it despite an earlier treaty saying neither country would.

Frequently asked questions

Which country does the Flag of Czechia represent?

The Flag of Czechia is the national flag of Czechia.

When was the Flag of Czechia adopted?

The Flag of Czechia was adopted in 1920 — about a century old.

What is the proportion of the Flag of Czechia?

The Flag of Czechia has an official proportion (height-to-width ratio) of 2:3.

What colours appear on the Flag of Czechia?

The Flag of Czechia features the colours: White, Red, Blue.

What does the Flag of Czechia symbolise?

White and red were the historic Bohemian colours; the blue triangle was added to distinguish from Poland's flag and to represent Moravia and Slovakia.

04 · Country at a glance

Czechia — in brief.

Quick reference data on Czechia, the country this flag represents.

Capital
Prague
Continent
Europe
Sub-region
Eastern Europe
Population
10.7M
Area
78,867 km²
Languages
Czech
Currency
Czech Koruna (CZK)
Government
Parliamentary republic
Flag age
about a century old
Dispatch 15 · MAY · 26

A small thing, worth noting.

When Czechoslovakia split, Slovakia agreed not to use the existing flag, but Czechia kept it despite an earlier treaty saying neither country would.

— filed from the catalog