#5183ef

Color #5183ef

A vivid, highly saturated light blue.

Closest named color Dodger Blue #1e90ff · ΔE 8.97 Nearest Tailwind class blue-500 #2b7fff · ΔE 2.9

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#5183ef

RGB

rgb(81, 131, 239)

HSL

hsl(221, 83.2%, 62.7%)

HSV / HSB

hsv(221, 66.1%, 93.7%)

CMYK

cmyk(66.1%, 45.2%, 0%, 6.3%)

LAB

lab(56.3, 17.39, -59.42)

LCH

lch(56.3, 61.91, 286.31)

OKLCH

oklch(62.9%, 0.1711, 263.56)

HWB

hwb(221, 31.8%, 6.3%)

Harmony colors

Complementary

#efbd51

Analogous

#51d2ef

#5183ef

#6e51ef

Triadic

#5183ef

#ef5183

#83ef51

Split-complementary

#5183ef

#ef6e51

#d2ef51

Tetradic

#5183ef

#bd51ef

#efbd51

#83ef51

Square

#5183ef

#ef51d2

#efbd51

#51ef6e

Shades

Color #5183ef mixed toward black.

#2060eb

#124ac3

#0d3892

#092562

#041331

Tints

Color #5183ef mixed toward white.

#6e98f2

#8bacf4

#a8c1f7

#c5d6fa

#e2eafc

Tones

Color #5183ef mixed toward gray.

#5e88e2

#6b8dd5

#7891c7

#8696ba

#939bad

Accessibility

Aa White text on this color

3.59:1

Aa Black text on this color

5.84:1

Black text reads better on this background (5.84:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6a6bdb · ΔE 10.5

Deuteranopia

#6763d6 · ΔE 12.9

Tritanopia

#54cac5 · ΔE 35.4

Achromatopsia

#878787 · ΔE 25.9

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

Code

CSS

background-color: #5183ef;

Tailwind (arbitrary value)

bg-[#5183ef]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#5183ef (#5183ef) is rgb(81, 131, 239) in RGB.

No, #5183ef 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 #5183ef, or check how it holds up for accessibility.

Generate a palette → Check contrast