#4278e2

Color #4278e2

A vivid, highly saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 11.3 Nearest Tailwind class blue-500 #2b7fff · ΔE 4

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

Conversions

HEX

#4278e2

RGB

rgb(66, 120, 226)

HSL

hsl(219.8, 73.4%, 57.3%)

HSV / HSB

hsv(219.8, 70.8%, 88.6%)

CMYK

cmyk(70.8%, 46.9%, 0%, 11.4%)

LAB

lab(51.93, 17.36, -59.21)

LCH

lch(51.93, 61.7, 286.34)

OKLCH

oklch(59.1%, 0.1714, 262.19)

HWB

hwb(219.8, 25.9%, 11.4%)

Harmony colors

Complementary

#e2ac42

Analogous

#42c8e2

#4278e2

#5c42e2

Triadic

#4278e2

#e24278

#78e242

Split-complementary

#4278e2

#e25c42

#c8e242

Tetradic

#4278e2

#ac42e2

#e2ac42

#78e242

Square

#4278e2

#e242c8

#e2ac42

#42e25c

Shades

Color #4278e2 mixed toward black.

#205dd3

#1a4aa9

#13387f

#0d2554

#06132a

Tints

Color #4278e2 mixed toward white.

#628fe7

#81a5ec

#a1bcf1

#c0d2f5

#e0e9fa

Tones

Color #4278e2 mixed toward gray.

#507cd5

#5d81c7

#6a85ba

#7789ad

#858e9f

Accessibility

Aa White text on this color

4.19:1

Aa Black text on this color

5.02:1

Black text reads better on this background (5.02:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5e5fcf · ΔE 11

Deuteranopia

#5b57ca · ΔE 13.3

Tritanopia

#46beba · ΔE 35.6

Achromatopsia

#7c7c7c · ΔE 25.9

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

Code

CSS

background-color: #4278e2;

Tailwind (arbitrary value)

bg-[#4278e2]

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

#4278e2 (#4278e2) is rgb(66, 120, 226) in RGB.

No, #4278e2 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 #4278e2, or check how it holds up for accessibility.

Generate a palette → Check contrast