#387ae3

Color #387ae3

A vivid, highly saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 9.76 Nearest Tailwind class blue-500 #2b7fff · ΔE 3.4

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

Conversions

HEX

#387ae3

RGB

rgb(56, 122, 227)

HSL

hsl(216.8, 75.3%, 55.5%)

HSV / HSB

hsv(216.8, 75.3%, 89%)

CMYK

cmyk(75.3%, 46.3%, 0%, 11%)

LAB

lab(52.18, 15.2, -59.39)

LCH

lch(52.18, 61.3, 284.36)

OKLCH

oklch(59.3%, 0.1733, 259.43)

HWB

hwb(216.8, 22%, 11%)

Harmony colors

Complementary

#e3a138

Analogous

#38d0e3

#387ae3

#4b38e3

Triadic

#387ae3

#e3387a

#7ae338

Split-complementary

#387ae3

#e34b38

#d0e338

Tetradic

#387ae3

#a138e3

#e3a138

#7ae338

Square

#387ae3

#e338d0

#e3a138

#38e34b

Shades

Color #387ae3 mixed toward black.

#1d62cf

#174ea5

#113b7c

#0c2753

#061429

Tints

Color #387ae3 mixed toward white.

#5990e8

#7aa6ec

#9cbdf1

#bdd3f6

#dee9fa

Tones

Color #387ae3 mixed toward gray.

#467dd5

#5581c6

#6384b8

#7187aa

#7f8a9c

Accessibility

Aa White text on this color

4.15:1

Aa Black text on this color

5.06:1

Black text reads better on this background (5.06:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5c5cd0 · ΔE 13

Deuteranopia

#5853cb · ΔE 15.5

Tritanopia

#3dbfbb · ΔE 35.4

Achromatopsia

#7c7c7c · ΔE 25.8

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

Code

CSS

background-color: #387ae3;

Tailwind (arbitrary value)

bg-[#387ae3]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#387ae3 (#387ae3) is rgb(56, 122, 227) in RGB.

No, #387ae3 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 #387ae3, or check how it holds up for accessibility.

Generate a palette → Check contrast