#366fbc

Color #366fbc

A moderately saturated medium blue.

Closest named color Cornflower Blue #6495ed · ΔE 15.71 Nearest Tailwind class sky-700 #0069a8 · ΔE 5.8

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Conversions

HEX

#366fbc

RGB

rgb(54, 111, 188)

HSL

hsl(214.5, 55.4%, 47.5%)

HSV / HSB

hsv(214.5, 71.3%, 73.7%)

CMYK

cmyk(71.3%, 41%, 0%, 26.3%)

LAB

lab(46.69, 7.47, -45.97)

LCH

lch(46.69, 46.57, 279.23)

OKLCH

oklch(54.2%, 0.1348, 256.71)

HWB

hwb(214.5, 21.2%, 26.3%)

Harmony colors

Complementary

#bc8336

Analogous

#36b2bc

#366fbc

#4036bc

Triadic

#366fbc

#bc366f

#6fbc36

Split-complementary

#366fbc

#bc4036

#b2bc36

Tetradic

#366fbc

#8336bc

#bc8336

#6fbc36

Square

#366fbc

#bc36b2

#bc8336

#36bc40

Shades

Color #366fbc mixed toward black.

#2d5d9d

#244a7d

#1b385e

#12253f

#09131f

Tints

Color #366fbc mixed toward white.

#5286cd

#749ed7

#97b6e1

#bacfeb

#dce7f5

Tones

Color #366fbc mixed toward gray.

#4171b1

#4c72a6

#58749b

#63768f

#6e7784

Accessibility

Aa White text on this color

5.05:1

Aa Black text on this color

4.16:1

White text reads better on this background (5.05:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5555ad · ΔE 12.6

Deuteranopia

#514daa · ΔE 14.6

Tritanopia

#3aa19d · ΔE 30.6

Achromatopsia

#6f6f6f · ΔE 22.8

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

Code

CSS

background-color: #366fbc;

Tailwind (arbitrary value)

bg-[#366fbc]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#366fbc (#366fbc) is rgb(54, 111, 188) in RGB.

No, #366fbc 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.

Try it → Accessibility

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 #366fbc, or check how it holds up for accessibility.

Generate a palette → Check contrast