#427dde

Color #427dde

A vivid, highly saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 10.78 Nearest Tailwind class blue-500 #2b7fff · ΔE 3.3

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

Conversions

HEX

#427dde

RGB

rgb(66, 125, 222)

HSL

hsl(217.3, 70.3%, 56.5%)

HSV / HSB

hsv(217.3, 70.3%, 87.1%)

CMYK

cmyk(70.3%, 43.7%, 0%, 12.9%)

LAB

lab(53.06, 12.84, -55.15)

LCH

lch(53.06, 56.62, 283.11)

OKLCH

oklch(59.9%, 0.1603, 259.83)

HWB

hwb(217.3, 25.9%, 12.9%)

Harmony colors

Complementary

#dea342

Analogous

#42cbde

#427dde

#5542de

Triadic

#427dde

#de427d

#7dde42

Split-complementary

#427dde

#de5542

#cbde42

Tetradic

#427dde

#a342de

#dea342

#7dde42

Square

#427dde

#de42cb

#dea342

#42de55

Shades

Color #427dde mixed toward black.

#2464cc

#1d50a4

#153c7b

#0e2852

#071429

Tints

Color #427dde mixed toward white.

#6293e4

#81a8e9

#a1beef

#c0d4f4

#e0e9fa

Tones

Color #427dde mixed toward gray.

#4f80d1

#5c83c4

#6987b7

#768aaa

#838d9d

Accessibility

Aa White text on this color

4.02:1

Aa Black text on this color

5.22:1

Black text reads better on this background (5.22:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6162cc · ΔE 12.3

Deuteranopia

#5e59c7 · ΔE 14.9

Tritanopia

#46bcb8 · ΔE 33.6

Achromatopsia

#7f7f7f · ΔE 24.9

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

Code

CSS

background-color: #427dde;

Tailwind (arbitrary value)

bg-[#427dde]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Royal Blue #4169e1

Dodger Blue #1e90ff

Frequently asked questions

#427dde (#427dde) is rgb(66, 125, 222) in RGB.

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

Generate a palette → Check contrast