Blue

Blue color values

Every conversion for #3f00fb, ready to copy. Hex, rgb, hsl, hsv, cmyk, cie-lab, xyz, decimal, web safe and the nearest Pantone.

Shades of blue

Tints of blue

Colors that go with blue

Blue in print

The same color needs a different cmyk build depending on the paper. Here is #3f00fb on both.

This color is saturated enough to sit near the edge of cmyk gamut, so expect a small drop in punch on paper and proof it before a long run.

See how it converts in the rgb to cmyk converter, or read rgb vs cmyk for print and what the k in cmyk means.

Blue in css

Copy #3f00fb straight into your stylesheet.

.background { background-color: #3f00fb; }
.text { color: #3f00fb; }
.border { border: 2px solid #3f00fb; }

How blue looks on light and dark

Blue and accessibility

Contrast ratios for #3f00fb against black and white text, measured to the WCAG standard.

Use white text on this color for readable body copy. To test #3f00fb against any other color, not just black and white, run the pair through our contrast checker for a live WCAG reading.

Blue on a business card, sticker and pattern

A quick look at how #3f00fb sits on real print products. Start any of these in the maker.

Building a full palette around blue? Pull matching colors from any photo with the color palette generator, or check a design for print with the rgb to cmyk converter.

Turn blue into a seamless pattern

Four patterns built from #3f00fb and its shades, free at print quality. Click any one to keep editing in the pattern maker.

How we calculate these values