#3f77dc

Color #3f77dc

A moderately saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 11.71 Nearest Tailwind class blue-500 #2b7fff · ΔE 4.6

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

Conversions

HEX

#3f77dc

RGB

rgb(63, 119, 220)

HSL

hsl(218.6, 69.2%, 55.5%)

HSV / HSB

hsv(218.6, 71.4%, 86.3%)

CMYK

cmyk(71.4%, 45.9%, 0%, 13.7%)

LAB

lab(51.17, 15.41, -57.06)

LCH

lch(51.17, 59.1, 285.11)

OKLCH

oklch(58.4%, 0.1655, 261.1)

HWB

hwb(218.6, 24.7%, 13.7%)

Harmony colors

Complementary

#dca43f

Analogous

#3fc6dc

#3f77dc

#563fdc

Triadic

#3f77dc

#dc3f77

#77dc3f

Split-complementary

#3f77dc

#dc563f

#c6dc3f

Tetradic

#3f77dc

#a43fdc

#dca43f

#77dc3f

Square

#3f77dc

#dc3fc6

#dca43f

#3fdc56

Shades

Color #3f77dc mixed toward black.

#245fc8

#1d4ca0

#163978

#0f2650

#071328

Tints

Color #3f77dc mixed toward white.

#5f8ee2

#7fa4e8

#9fbbee

#bfd2f3

#dfe8f9

Tones

Color #3f77dc mixed toward gray.

#4c7bcf

#597fc2

#6682b5

#7386a8

#808a9b

Accessibility

Aa White text on this color

4.3:1

Aa Black text on this color

4.88:1

Black text reads better on this background (4.88:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5c5dc9 · ΔE 11.5

Deuteranopia

#5955c5 · ΔE 13.8

Tritanopia

#43b9b5 · ΔE 34.7

Achromatopsia

#7a7a7a · ΔE 25.4

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

Code

CSS

background-color: #3f77dc;

Tailwind (arbitrary value)

bg-[#3f77dc]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#3f77dc (#3f77dc) is rgb(63, 119, 220) in RGB.

No, #3f77dc 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.

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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 #3f77dc, or check how it holds up for accessibility.

Generate a palette → Check contrast