#516fa6

Color #516fa6

A muted medium blue.

Closest named color Steel Blue #4682b4 · ΔE 10.84 Nearest Tailwind class slate-500 #62748e · ΔE 6.7

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Conversions

HEX

#516fa6

RGB

rgb(81, 111, 166)

HSL

hsl(218.8, 34.4%, 48.4%)

HSV / HSB

hsv(218.8, 51.2%, 65.1%)

CMYK

cmyk(51.2%, 33.1%, 0%, 34.9%)

LAB

lab(46.8, 5.13, -32.89)

LCH

lch(46.8, 33.29, 278.87)

OKLCH

oklch(54.3%, 0.0934, 261.88)

HWB

hwb(218.8, 31.8%, 34.9%)

Harmony colors

Complementary

#a68851

Analogous

#5199a6

#516fa6

#5d51a6

Triadic

#516fa6

#a6516f

#6fa651

Split-complementary

#516fa6

#a65d51

#99a651

Tetradic

#516fa6

#8851a6

#a68851

#6fa651

Square

#516fa6

#a65199

#a68851

#51a65d

Shades

Color #516fa6 mixed toward black.

#435c8a

#364a6f

#283753

#1b2537

#0d121c

Tints

Color #516fa6 mixed toward white.

#6c86b7

#899ec5

#a7b7d4

#c4cfe2

#e2e7f1

Tones

Color #516fa6 mixed toward gray.

#58719f

#5f7398

#667591

#6d778a

#747982

Accessibility

Aa White text on this color

5.03:1

Aa Black text on this color

4.17:1

White text reads better on this background (5.03:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5f609b · ΔE 8.3

Deuteranopia

#5e5b98 · ΔE 9.8

Tritanopia

#53918f · ΔE 24.8

Achromatopsia

#6f6f6f · ΔE 19.1

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

Code

CSS

background-color: #516fa6;

Tailwind (arbitrary value)

bg-[#516fa6]

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

#516fa6 (#516fa6) is rgb(81, 111, 166) in RGB.

No, #516fa6 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 #516fa6, or check how it holds up for accessibility.

Generate a palette → Check contrast