#516d99

Color #516d99

A muted medium blue.

Closest named color Steel Blue #4682b4 · ΔE 10.64 Nearest Tailwind class slate-500 #62748e · ΔE 5.6

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Conversions

HEX

#516d99

RGB

rgb(81, 109, 153)

HSL

hsl(216.7, 30.8%, 45.9%)

HSV / HSB

hsv(216.7, 47.1%, 60%)

CMYK

cmyk(47.1%, 28.8%, 0%, 40%)

LAB

lab(45.61, 2.26, -27.09)

LCH

lch(45.61, 27.18, 274.77)

OKLCH

oklch(53.2%, 0.0772, 259.24)

HWB

hwb(216.7, 31.8%, 40%)

Harmony colors

Complementary

#997d51

Analogous

#519199

#516d99

#595199

Triadic

#516d99

#99516d

#6d9951

Split-complementary

#516d99

#995951

#919951

Tetradic

#516d99

#7d5199

#997d51

#6d9951

Square

#516d99

#995191

#997d51

#519959

Shades

Color #516d99 mixed toward black.

#435b80

#364966

#28364d

#1b2433

#0d121a

Tints

Color #516d99 mixed toward white.

#6984af

#879dbf

#a5b5cf

#c3cedf

#e1e6ef

Tones

Color #516d99 mixed toward gray.

#576e93

#5d708d

#637187

#697281

#6f747b

Accessibility

Aa White text on this color

5.25:1

Aa Black text on this color

4:1

White text reads better on this background (5.25:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5e5f90 · ΔE 8.5

Deuteranopia

#5d5b8e · ΔE 9.7

Tritanopia

#538886 · ΔE 22.1

Achromatopsia

#6c6c6c · ΔE 16.9

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

Code

CSS

background-color: #516d99;

Tailwind (arbitrary value)

bg-[#516d99]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#516d99 (#516d99) is rgb(81, 109, 153) in RGB.

No, #516d99 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 #516d99, or check how it holds up for accessibility.

Generate a palette → Check contrast