blue

#0000FF · rgb(0, 0, 255)

Registry status

Reserved. #0000FF is the CSS named color “blue”, one of a small set we keep out of the registry so no single person holds it.

See #0505FA, which looks the same and can be registered

Reference names

Names this exact code carries in public color lists. They are reference data, not registrations, and this code itself is reserved, so it can't be registered.

blueReference name · CSS named colors (Public specification)

Tints and shades

Closest named colors

#0000FC

Graphical 80’s Sky

#0000FC

#0000F7

Star of David

#0000F7

#0804F9

Primary Blue

#0804F9

#0C06F7

Strong Blue

#0C06F7

#0000EE

Hyperlink Blue

#0000EE

#1600FC

Royal Blue Tang

#1600FC

#0011FF

Icelandic Water

#0011FF

#0011EE

Midsummer Nights

#0011EE

#150AEC

Burning Ultrablue

#150AEC

#2200FF

Blue Pencil

#2200FF

#0203E2

Pure Blue

#0203E2

#021BF9

Rich Blue

#021BF9