#3684e4

Color #3684e4

A vivid, highly saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 9.08 Nearest Tailwind class blue-500 #2b7fff · ΔE 3.5

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

Conversions

HEX

#3684e4

RGB

rgb(54, 132, 228)

HSL

hsl(213.1, 76.3%, 55.3%)

HSV / HSB

hsv(213.1, 76.3%, 89.4%)

CMYK

cmyk(76.3%, 42.1%, 0%, 10.6%)

LAB

lab(54.95, 9.18, -55.5)

LCH

lch(54.95, 56.25, 279.39)

OKLCH

oklch(61.4%, 0.164, 255.52)

HWB

hwb(213.1, 21.2%, 10.6%)

Harmony colors

Complementary

#e49636

Analogous

#36dbe4

#3684e4

#3f36e4

Triadic

#3684e4

#e43684

#84e436

Split-complementary

#3684e4

#e43f36

#dbe436

Tetradic

#3684e4

#9636e4

#e49636

#84e436

Square

#3684e4

#e436db

#e49636

#36e43f

Shades

Color #3684e4 mixed toward black.

#1c6ccf

#1657a6

#11417c

#0b2b53

#061629

Tints

Color #3684e4 mixed toward white.

#5899e8

#79aded

#9bc2f1

#bcd6f6

#deebfa

Tones

Color #3684e4 mixed toward gray.

#4586d5

#5387c7

#6289b9

#708aaa

#7f8c9c

Accessibility

Aa White text on this color

3.77:1

Aa Black text on this color

5.58:1

Black text reads better on this background (5.58:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6162d2 · ΔE 15.3

Deuteranopia

#5d57cd · ΔE 18.5

Tritanopia

#3dc2be · ΔE 33

Achromatopsia

#848484 · ΔE 24.9

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

Code

CSS

background-color: #3684e4;

Tailwind (arbitrary value)

bg-[#3684e4]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Cornflower Blue #6495ed

Frequently asked questions

#3684e4 (#3684e4) is rgb(54, 132, 228) in RGB.

No, #3684e4 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 #3684e4, or check how it holds up for accessibility.

Generate a palette → Check contrast