#3779df

Color #3779df

A vivid, highly saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 10.36 Nearest Tailwind class blue-500 #2b7fff · ΔE 3.9

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

Conversions

HEX

#3779df

RGB

rgb(55, 121, 223)

HSL

hsl(216.4, 72.4%, 54.5%)

HSV / HSB

hsv(216.4, 75.3%, 87.5%)

CMYK

cmyk(75.3%, 45.7%, 0%, 12.5%)

LAB

lab(51.62, 14.24, -58.03)

LCH

lch(51.62, 59.75, 283.79)

OKLCH

oklch(58.7%, 0.1696, 259.02)

HWB

hwb(216.4, 21.6%, 12.5%)

Harmony colors

Complementary

#df9d37

Analogous

#37cddf

#3779df

#4937df

Triadic

#3779df

#df3779

#79df37

Split-complementary

#3779df

#df4937

#cddf37

Tetradic

#3779df

#9d37df

#df9d37

#79df37

Square

#3779df

#df37cd

#df9d37

#37df49

Shades

Color #3779df mixed toward black.

#2062c8

#1a4ea0

#133b78

#0d2750

#061428

Tints

Color #3779df mixed toward white.

#588fe4

#7aa6ea

#9bbcef

#bcd2f4

#dee9fa

Tones

Color #3779df mixed toward gray.

#457cd1

#537fc3

#6182b5

#6f85a7

#7d8899

Accessibility

Aa White text on this color

4.23:1

Aa Black text on this color

4.96:1

Black text reads better on this background (4.96:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5b5ccc · ΔE 12.9

Deuteranopia

#5752c7 · ΔE 15.6

Tritanopia

#3cbcb8 · ΔE 34.9

Achromatopsia

#7b7b7b · ΔE 25.5

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

Code

CSS

background-color: #3779df;

Tailwind (arbitrary value)

bg-[#3779df]

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

#3779df (#3779df) is rgb(55, 121, 223) in RGB.

No, #3779df is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #3779df, or check how it holds up for accessibility.

Generate a palette → Check contrast