Dark slate blue

Dark slate blue color values

Every conversion for #663ba3, ready to copy. Hex, rgb, hsl, hsv, cmyk, cie-lab, xyz, decimal, web safe and the nearest Pantone.

Shades of dark slate blue

Tints of dark slate blue

Colors that go with dark slate blue

Dark slate blue in print

The same color needs a different cmyk build depending on the paper. Here is #663ba3 on both.

This color converts to cmyk comfortably and should hold on press.

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

Dark slate blue in css

Copy #663ba3 straight into your stylesheet.

.background { background-color: #663ba3; }
.text { color: #663ba3; }
.border { border: 2px solid #663ba3; }

How dark slate blue looks on light and dark

Dark slate blue and accessibility

Contrast ratios for #663ba3 against black and white text, measured to the WCAG standard.

Use white text on this color for readable body copy. To test #663ba3 against any other color, not just black and white, run the pair through our contrast checker for a live WCAG reading.

Dark slate blue on a business card, sticker and pattern

A quick look at how #663ba3 sits on real print products. Start any of these in the maker.

Building a full palette around dark slate 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 dark slate blue into a seamless pattern

Four patterns built from #663ba3 and its shades, free at print quality. Click any one to keep editing in the pattern maker.

How we calculate these values