#427acc

Color #427acc

A moderately saturated medium blue.

Closest named color Cornflower Blue #6495ed · ΔE 10.88 Nearest Tailwind class blue-500 #2b7fff · ΔE 5.4

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

Conversions

HEX

#427acc

RGB

rgb(66, 122, 204)

HSL

hsl(215.7, 57.5%, 52.9%)

HSV / HSB

hsv(215.7, 67.6%, 80%)

CMYK

cmyk(67.6%, 40.2%, 0%, 20%)

LAB

lab(51.19, 8.28, -47.94)

LCH

lch(51.19, 48.65, 279.8)

OKLCH

oklch(58.2%, 0.1397, 257.97)

HWB

hwb(215.7, 25.9%, 20%)

Harmony colors

Complementary

#cc9442

Analogous

#42bfcc

#427acc

#4f42cc

Triadic

#427acc

#cc427a

#7acc42

Split-complementary

#427acc

#cc4f42

#bfcc42

Tetradic

#427acc

#9442cc

#cc9442

#7acc42

Square

#427acc

#cc42bf

#cc9442

#42cc4f

Shades

Color #427acc mixed toward black.

#3064b1

#26508e

#1d3c6a

#132847

#0a1423

Tints

Color #427acc mixed toward white.

#6190d4

#81a6dd

#a0bce5

#c0d3ee

#dfe9f6

Tones

Color #427acc mixed toward gray.

#4d7cc0

#597eb5

#6480a9

#70839e

#7b8592

Accessibility

Aa White text on this color

4.3:1

Aa Black text on this color

4.89:1

Black text reads better on this background (4.89:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5f60bc · ΔE 12.5

Deuteranopia

#5c58b8 · ΔE 14.7

Tritanopia

#46afab · ΔE 30.9

Achromatopsia

#7a7a7a · ΔE 23.3

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

Code

CSS

background-color: #427acc;

Tailwind (arbitrary value)

bg-[#427acc]

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

#427acc (#427acc) is rgb(66, 122, 204) in RGB.

No, #427acc 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 #427acc, or check how it holds up for accessibility.

Generate a palette → Check contrast