#556580

Color #556580

A muted medium blue.

Closest named color Slate Gray #708090 · ΔE 12.59 Nearest Tailwind class slate-500 #62748e · ΔE 5.7

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Conversions

HEX

#556580

RGB

rgb(85, 101, 128)

HSL

hsl(217.7, 20.2%, 41.8%)

HSV / HSB

hsv(217.7, 33.6%, 50.2%)

CMYK

cmyk(33.6%, 21.1%, 0%, 49.8%)

LAB

lab(42.46, 0.91, -17)

LCH

lch(42.46, 17.02, 273.06)

OKLCH

oklch(50.4%, 0.0475, 260.8)

HWB

hwb(217.7, 33.3%, 49.8%)

Harmony colors

Complementary

#807055

Analogous

#557b80

#556580

#5b5580

Triadic

#556580

#805565

#658055

Split-complementary

#556580

#805b55

#7b8055

Tetradic

#556580

#705580

#807055

#658055

Square

#556580

#80557b

#807055

#55805b

Shades

Color #556580 mixed toward black.

#47546b

#394355

#2b3340

#1c222b

#0e1115

Tints

Color #556580 mixed toward white.

#6a7d9c

#8897b0

#a6b1c4

#c4cbd8

#e1e5eb

Tones

Color #556580 mixed toward gray.

#59667d

#5c6779

#606875

#636972

#676a6e

Accessibility

Aa White text on this color

5.9:1

Aa Black text on this color

3.56:1

White text reads better on this background (5.9:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5c5c7a · ΔE 7.4

Deuteranopia

#5b5a79 · ΔE 8.1

Tritanopia

#567574 · ΔE 16.6

Achromatopsia

#646464 · ΔE 12.3

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #556580;

Tailwind (arbitrary value)

bg-[#556580]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#556580 (#556580) is rgb(85, 101, 128) in RGB.

No, #556580 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #556580, or check how it holds up for accessibility.

Generate a palette → Check contrast