#517bc0

Color #517bc0

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 13.36 Nearest Tailwind class blue-500 #2b7fff · ΔE 6.5

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Conversions

HEX

#517bc0

RGB

rgb(81, 123, 192)

HSL

hsl(217.3, 46.8%, 53.5%)

HSV / HSB

hsv(217.3, 57.8%, 75.3%)

CMYK

cmyk(57.8%, 35.9%, 0%, 24.7%)

LAB

lab(51.52, 6.31, -40.53)

LCH

lch(51.52, 41.02, 278.85)

OKLCH

oklch(58.4%, 0.1165, 259.87)

HWB

hwb(217.3, 31.8%, 24.7%)

Harmony colors

Complementary

#c09651

Analogous

#51b2c0

#517bc0

#5e51c0

Triadic

#517bc0

#c0517b

#7bc051

Split-complementary

#517bc0

#c05e51

#b2c051

Tetradic

#517bc0

#9651c0

#c09651

#7bc051

Square

#517bc0

#c051b2

#c09651

#51c05e

Shades

Color #517bc0 mixed toward black.

#3c65a7

#305186

#243c64

#182843

#0c1421

Tints

Color #517bc0 mixed toward white.

#6e91ca

#8ba7d5

#a8bddf

#c5d3ea

#e2e9f4

Tones

Color #517bc0 mixed toward gray.

#5a7db7

#637fad

#6d82a4

#76849b

#7f8692

Accessibility

Aa White text on this color

4.25:1

Aa Black text on this color

4.94:1

Black text reads better on this background (4.94:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6666b2 · ΔE 10.7

Deuteranopia

#6360af · ΔE 12.3

Tritanopia

#54a7a4 · ΔE 27.7

Achromatopsia

#7b7b7b · ΔE 21.4

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

Code

CSS

background-color: #517bc0;

Tailwind (arbitrary value)

bg-[#517bc0]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Royal Blue #4169e1

Dodger Blue #1e90ff

Frequently asked questions

#517bc0 (#517bc0) is rgb(81, 123, 192) in RGB.

No, #517bc0 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.

Try it → Generators

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 #517bc0, or check how it holds up for accessibility.

Generate a palette → Check contrast