- Capital
- San José
- Continent
- North America
- Flag adopted
- 1848(r1)
- Designer
- Not individually credited
Costa Rica
What the source says
Referenced, awaiting primary-source reviewOfficially adopted on 29 September 1848. Blue [is] the sky, opportunities at reach [...]; white clear thinking, happiness, wisdom [...] and the peace of Costa Rica; red the warmth of Costa Rican people, their love to live, their bloodshed for freedom. An admirer of France during the 1848 revolution, Pacífica Fernández, recommended the addition of a red stripe to the flag.
Referenced, not verified: a secondary work states this, and the document that constitutes the flag has not been read for this entry. What the marks mean.
Colors and meaning
Symbolism and history(r1)
A red band, added in 1848 between the blue-white-blue bands of the old Central American Federation flag on the recommendation of Pacífica Fernández, an admirer of the France of the 1848 revolution.
Most similar flags
The 6 closest of the 194 other national flags, ranked by a similarity index computed from the flag images themselves. The number is that index, 0–100 — not a claim that the two flags are “X% identical”.
- Slovenia86
the same horizontal band layout; near-identical colour proportions.
- Liberia75
the same horizontal band layout; the same colours in similar amounts.
- Burundi73
the same horizontal band layout; the same colours in similar amounts.
- Malaysia73
the same horizontal band layout; the same colours in similar amounts.
- Chile72
the same horizontal band layout; the same colours in similar amounts.
- Czech Republic72
the same horizontal band layout; the same colours in similar amounts.
Computed at build time: each flag is rasterised to 64x48, and the score is 0.55 × colour overlap + 0.45 × structure. A different weighting would rank these differently. How the index works.
References — not verification
(r1) Referenced to Flag of Costa Rica (Wikipedia (English)) on 2026-07-17. States the adoption year, which colors the flag has, what the colors mean and the symbolism and history on this page. The passage it states them in is quoted at the top of this entry.
Further reading: Flag of Costa Rica on Wikipedia