#517aa2

Color #517aa2

A muted medium blue.

Closest named color Steel Blue #4682b4 · ΔE 7.02 Nearest Tailwind class slate-500 #62748e · ΔE 6.2

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Conversions

HEX

#517aa2

RGB

rgb(81, 122, 162)

HSL

hsl(209.6, 33.3%, 47.6%)

HSV / HSB

hsv(209.6, 50%, 63.5%)

CMYK

cmyk(50%, 24.7%, 0%, 36.5%)

LAB

lab(49.83, -2.74, -25.83)

LCH

lch(49.83, 25.97, 263.94)

OKLCH

oklch(56.6%, 0.0774, 248.71)

HWB

hwb(209.6, 31.8%, 36.5%)

Harmony colors

Complementary

#a27951

Analogous

#51a2a1

#517aa2

#5151a2

Triadic

#517aa2

#a2517a

#7aa251

Split-complementary

#517aa2

#a25151

#a2a151

Tetradic

#517aa2

#7951a2

#a27951

#7aa251

Square

#517aa2

#a151a2

#a27951

#51a251

Shades

Color #517aa2 mixed toward black.

#436687

#36516c

#283d51

#1b2936

#0d141b

Tints

Color #517aa2 mixed toward white.

#6b90b5

#88a6c4

#a6bcd2

#c4d3e1

#e1e9f0

Tones

Color #517aa2 mixed toward gray.

#587a9b

#5e7a94

#657a8e

#6c7a87

#737980

Accessibility

Aa White text on this color

4.51:1

Aa Black text on this color

4.66:1

Black text reads better on this background (4.66:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#65669a · ΔE 12.4

Deuteranopia

#636097 · ΔE 13.9

Tritanopia

#549291 · ΔE 19.3

Achromatopsia

#767676 · ΔE 16.5

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

Code

CSS

background-color: #517aa2;

Tailwind (arbitrary value)

bg-[#517aa2]

Related colors

Dodger Blue #1e90ff

Light Slate Gray #778899

Slate Gray #708090

Alice Blue #f0f8ff

Steel Blue #4682b4

Light Steel Blue #b0c4de

Frequently asked questions

#517aa2 (#517aa2) is rgb(81, 122, 162) in RGB.

No, #517aa2 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 #517aa2, or check how it holds up for accessibility.

Generate a palette → Check contrast