#427ad0

Color #427ad0

A moderately saturated medium blue.

Closest named color Cornflower Blue #6495ed · ΔE 10.53 Nearest Tailwind class blue-500 #2b7fff · ΔE 5

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Conversions

HEX

#427ad0

RGB

rgb(66, 122, 208)

HSL

hsl(216.3, 60.2%, 53.7%)

HSV / HSB

hsv(216.3, 68.3%, 81.6%)

CMYK

cmyk(68.3%, 41.3%, 0%, 18.4%)

LAB

lab(51.42, 9.69, -49.86)

LCH

lch(51.42, 50.79, 281)

OKLCH

oklch(58.4%, 0.1451, 258.75)

HWB

hwb(216.3, 25.9%, 18.4%)

Harmony colors

Complementary

#d09842

Analogous

#42c1d0

#427ad0

#5142d0

Triadic

#427ad0

#d0427a

#7ad042

Split-complementary

#427ad0

#d05142

#c1d042

Tetradic

#427ad0

#9842d0

#d09842

#7ad042

Square

#427ad0

#d042c1

#d09842

#42d051

Shades

Color #427ad0 mixed toward black.

#2d64b7

#245092

#1b3c6e

#122849

#091425

Tints

Color #427ad0 mixed toward white.

#6190d8

#81a6e0

#a0bde8

#c0d3ef

#dfe9f7

Tones

Color #427ad0 mixed toward gray.

#4e7cc4

#5a7fb8

#6581ac

#7184a1

#7d8695

Accessibility

Aa White text on this color

4.26:1

Aa Black text on this color

4.93:1

Black text reads better on this background (4.93:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5f60c0 · ΔE 12.3

Deuteranopia

#5c58bc · ΔE 14.5

Tritanopia

#46b1ae · ΔE 31.3

Achromatopsia

#7a7a7a · ΔE 23.8

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

Code

CSS

background-color: #427ad0;

Tailwind (arbitrary value)

bg-[#427ad0]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#427ad0 (#427ad0) is rgb(66, 122, 208) in RGB.

No, #427ad0 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 #427ad0, or check how it holds up for accessibility.

Generate a palette → Check contrast