#427cee

Color #427cee

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 9.5 Nearest Tailwind class blue-500 #2b7fff · ΔE 2.3

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

Conversions

HEX

#427cee

RGB

rgb(66, 124, 238)

HSL

hsl(219.8, 83.5%, 59.6%)

HSV / HSB

hsv(219.8, 72.3%, 93.3%)

CMYK

cmyk(72.3%, 47.9%, 0%, 6.7%)

LAB

lab(53.75, 19.19, -62.99)

LCH

lch(53.75, 65.85, 286.94)

OKLCH

oklch(60.8%, 0.1825, 262.16)

HWB

hwb(219.8, 25.9%, 6.7%)

Harmony colors

Complementary

#eeb442

Analogous

#42d2ee

#427cee

#5e42ee

Triadic

#427cee

#ee427c

#7cee42

Split-complementary

#427cee

#ee5e42

#d2ee42

Tetradic

#427cee

#b442ee

#eeb442

#7cee42

Square

#427cee

#ee42d2

#eeb442

#42ee5e

Shades

Color #427cee mixed toward black.

#155ce8

#114aba

#0d378b

#08255d

#04122e

Tints

Color #427cee mixed toward white.

#6192f1

#81a8f4

#a0bdf7

#c0d3f9

#dfe9fc

Tones

Color #427cee mixed toward gray.

#5081e0

#5f85d1

#6d8ac3

#7b8fb5

#8a93a6

Accessibility

Aa White text on this color

3.93:1

Aa Black text on this color

5.35:1

Black text reads better on this background (5.35:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6061d9 · ΔE 11.5

Deuteranopia

#5d58d4 · ΔE 14.1

Tritanopia

#46c7c3 · ΔE 36.6

Achromatopsia

#808080 · ΔE 26.6

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

Code

CSS

background-color: #427cee;

Tailwind (arbitrary value)

bg-[#427cee]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#427cee (#427cee) is rgb(66, 124, 238) in RGB.

No, #427cee 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.

Try it →

Build something with this color

Generate a full palette from #427cee, or check how it holds up for accessibility.

Generate a palette → Check contrast