Dark slate blue

#3d4e87

Hex, rgb, cmyk and Pantone values for dark slate blue, with shades, tints, matching colors and free print quality patterns.

This is Dark slate blue, a soft blue at 226 degrees. Deep blues like this anchor serious, established brands. It pairs with warm neutrals for balance, or with a brighter accent for contrast.

Dark slate blue color values

Every conversion for #3d4e87, ready to copy. Hex, rgb, hsl, hsv, cmyk, cie-lab, xyz, decimal, web safe and the nearest Pantone.

Hex#3d4e87

RGB61, 78, 135

HSL226, 38%, 38%

HSV226, 55%, 53%

CMYK55%, 42%, 0%, 47%

Lab34.38, 10.95, -34.0

XYZ9.02, 8.19, 24.03

Decimal4017799

Web safe#336699

Pantone534 C

Shades of dark slate blue

#38477c #334170 #2e3a65 #283459 #232d4e #1e2743 #192037 #14192c #0f1320 #0a0c15

Tints of dark slate blue

#465a9b #5066b0 #6477b9 #7889c2 #8d9bcb #a1add5 #b6bfde #cad1e7 #dee2f0 #f3f4f9

Colors that go with dark slate blue

Complementary#87763d Analogous#3d7387 Analogous#513d87 Triadic#873d4e Triadic#4e873d Split complementary#87513d Split complementary#73873d

Dark slate blue in print

The cmyk build is well inside gamut, so what you see on screen is close to what prints. The cmyk build is 55, 42, 0, 47.

The same color needs a different cmyk build depending on the paper. Here is #3d4e87 on both.

Coated stockgloss or silk, C

55 42 0 47

Ink sits on the surface, so colors stay bright and close to screen.

Uncoated stocknatural or matte, U

55 43 4 53

The stock absorbs ink and gains dot, so it needs a heavier build and reads a touch softer.

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 #3d4e87 straight into your stylesheet.

.background { background-color: #3d4e87; }
.text { color: #3d4e87; }
.border { border: 2px solid #3d4e87; }

How dark slate blue looks on light and dark

Sample text on black

Sample text on white

Text on this color

Dark slate blue and accessibility

Contrast ratios for #3d4e87 against black and white text, measured to the WCAG standard.

Use white text on this color for readable body copy. To test #3d4e87 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 #3d4e87 sits on real print products. Start any of these in the maker.

Business card

Sticker

Repeat pattern

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 #3d4e87 and its shades, free at print quality. Click any one to keep editing in the pattern maker.

Arches Signature stripes Gem Shingles

Make posters, wallpaper and packaging art from dark slate blue, free and print ready.

Open in pattern maker

How we calculate these values

Here is how the numbers for #3d4e87 are worked out. We convert from sRGB to each space with the standard formulas, so the codes match what design tools show. The coated and uncoated cmyk builds differ because uncoated stock absorbs more ink and gains dot, so the same color needs a heavier, slightly duller build on press. For Pantone we return the nearest reference by perceptual distance, which gets you close but is not a substitute for a physical swatch book.