#5b758b

Color #5b758b

A muted medium blue.

Closest named color Slate Gray #708090 · ΔE 6.77 Nearest Tailwind class slate-500 #62748e · ΔE 4.1

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Conversions

HEX

#5b758b

RGB

rgb(91, 117, 139)

HSL

hsl(207.5, 20.9%, 45.1%)

HSV / HSB

hsv(207.5, 34.5%, 54.5%)

CMYK

cmyk(34.5%, 15.8%, 0%, 45.5%)

LAB

lab(48.02, -3.75, -15.05)

LCH

lch(48.02, 15.51, 256.01)

OKLCH

oklch(55%, 0.0459, 244.33)

HWB

hwb(207.5, 35.7%, 45.5%)

Harmony colors

Complementary

#8b715b

Analogous

#5b8b89

#5b758b

#5b5d8b

Triadic

#5b758b

#8b5b75

#758b5b

Split-complementary

#5b758b

#8b5b5d

#8b895b

Tetradic

#5b758b

#715b8b

#8b715b

#758b5b

Square

#5b758b

#895b8b

#8b715b

#5d8b5b

Shades

Color #5b758b mixed toward black.

#4c6274

#3d4e5d

#2d3b46

#1e272e

#0f1417

Tints

Color #5b758b mixed toward white.

#728ca3

#8ea3b5

#aabac8

#c7d1da

#e3e8ed

Tones

Color #5b758b mixed toward gray.

#5f7587

#637483

#67747f

#6b747b

#6f7377

Accessibility

Aa White text on this color

4.81:1

Aa Black text on this color

4.36:1

White text reads better on this background (4.81:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#676786 · ΔE 12.8

Deuteranopia

#666485 · ΔE 13.9

Tritanopia

#5d8281 · ΔE 13.2

Achromatopsia

#727272 · ΔE 11.8

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

Code

CSS

background-color: #5b758b;

Tailwind (arbitrary value)

bg-[#5b758b]

Related colors

Steel Blue #4682b4

Alice Blue #f0f8ff

Dodger Blue #1e90ff

Light Slate Gray #778899

Slate Gray #708090

Charcoal #36454f

Frequently asked questions

#5b758b (#5b758b) is rgb(91, 117, 139) in RGB.

No, #5b758b 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 #5b758b, or check how it holds up for accessibility.

Generate a palette → Check contrast