#517adc

Color #517adc

A moderately saturated medium blue.

Closest named color Cornflower Blue #6495ed · ΔE 12.65 Nearest Tailwind class blue-500 #2b7fff · ΔE 4.7

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Conversions

HEX

#517adc

RGB

rgb(81, 122, 220)

HSL

hsl(222.3, 66.5%, 59%)

HSV / HSB

hsv(222.3, 63.2%, 86.3%)

CMYK

cmyk(63.2%, 44.5%, 0%, 13.7%)

LAB

lab(52.77, 16.37, -54.45)

LCH

lch(52.77, 56.86, 286.73)

OKLCH

oklch(59.8%, 0.1561, 264.97)

HWB

hwb(222.3, 31.8%, 13.7%)

Harmony colors

Complementary

#dcb351

Analogous

#51bfdc

#517adc

#6d51dc

Triadic

#517adc

#dc517a

#7adc51

Split-complementary

#517adc

#dc6d51

#bfdc51

Tetradic

#517adc

#b351dc

#dcb351

#7adc51

Square

#517adc

#dc51bf

#dcb351

#51dc6d

Shades

Color #517adc mixed toward black.

#2a5bd1

#2249a7

#19377d

#112453

#08122a

Tints

Color #517adc mixed toward white.

#6e90e2

#8ba6e8

#a8bced

#c5d3f3

#e2e9f9

Tones

Color #517adc mixed toward gray.

#5d7fd0

#6883c5

#7488b9

#7f8dae

#8b92a2

Accessibility

Aa White text on this color

4.06:1

Aa Black text on this color

5.17:1

Black text reads better on this background (5.17:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6566ca · ΔE 9.2

Deuteranopia

#6360c5 · ΔE 11.1

Tritanopia

#54bab6 · ΔE 33.8

Achromatopsia

#7e7e7e · ΔE 25

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

Code

CSS

background-color: #517adc;

Tailwind (arbitrary value)

bg-[#517adc]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#517adc (#517adc) is rgb(81, 122, 220) in RGB.

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

Generate a palette → Check contrast