Blue#0000FF

Blue Hex Code: #0000FF

Blue is a dark, vivid blue. Its OKLCH lightness is 45% and chroma 0.313. Text on this color reads best in white (contrast 8.59:1).

HEX#0000FF
RGBrgb(0, 0, 255)
HSLhsl(240, 100%, 50%)
HSV / HSBhsv(240, 100%, 100%)
CMYKcmyk(100%, 100%, 0%, 0%)
OKLCHoklch(45.2% 0.313 264.1)

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Contrast

White text8.59:1
AAAA largeAAA
Black text2.44:1
AAAA largeAAA
On white8.59:1
AAAA largeAAA
On black2.44:1
AAAA largeAAA

Tints

#1717FF#2E2EFF#4545FF#5C5CFF#7373FF#8A8AFF#A1A1FF#B8B8FF#CFCFFFPeriwinkle#E5E5FFLavender

Shades

#0000E8#0000D1Medium Blue#0000BA#0000A3#00008CDark Blue#000075Navy Blue#00005E#000047#000030#00001A

Matching colors

Complementary

#0000FFBlue#FFFF00Yellow

Analogous

#0000FFBlue#0080FF#8000FFViolet Purple

Triadic

#0000FFBlue#FF0000Red#00FF00Lime

Split complementary

#0000FFBlue#FF8000Pumpkin Orange#80FF00Chartreuse

Similar named colors

Medium Blue#0000CDDenim Blue#2243B6Cobalt Blue#0047ABRoyal Blue#4169E1Violet Purple#8000FFSlate Blue#6A5ACDDark Blue#00008BSapphire Blue#0067A5

All color names →

Code

CSScolor: #0000FF;
Tailwindbg-[#0000ff]
SwiftUIColor(red: 0, green: 0, blue: 1)
AndroidColor.parseColor("#0000FF")
FlutterColor(0xFF0000FF)

Blue is a CSS named color (blue); the value follows W3C CSS Color Module Level 4.

Frequently asked questions

What is the hex code for blue?

Blue is #0000FF in hex and rgb(0, 0, 255) in RGB.

What is blue in CMYK?

With the plain conversion formula it is cmyk(100, 100, 0, 0). For print, convert with your printer's ICC profile instead.

What text color works on blue?

White text has the higher contrast at 8.59:1, which passes WCAG AA for normal text (4.5:1).