#3f72c6

Color #3f72c6

A moderately saturated medium blue.

Closest named color Cornflower Blue #6495ed · ΔE 13.53 Nearest Tailwind class blue-500 #2b7fff · ΔE 7.6

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

Conversions

HEX

#3f72c6

RGB

rgb(63, 114, 198)

HSL

hsl(217.3, 54.2%, 51.2%)

HSV / HSB

hsv(217.3, 68.2%, 77.6%)

CMYK

cmyk(68.2%, 42.4%, 0%, 22.4%)

LAB

lab(48.47, 10.6, -48.86)

LCH

lch(48.47, 50, 282.24)

OKLCH

oklch(55.9%, 0.1417, 259.84)

HWB

hwb(217.3, 24.7%, 22.4%)

Harmony colors

Complementary

#c6933f

Analogous

#3fb6c6

#3f72c6

#503fc6

Triadic

#3f72c6

#c63f72

#72c63f

Split-complementary

#3f72c6

#c6503f

#b6c63f

Tetradic

#3f72c6

#933fc6

#c6933f

#72c63f

Square

#3f72c6

#c63fb6

#c6933f

#3fc650

Shades

Color #3f72c6 mixed toward black.

#325ea8

#284c86

#1e3965

#142643

#0a1322

Tints

Color #3f72c6 mixed toward white.

#5f8ad0

#7fa1d9

#9fb9e3

#bfd0ec

#dfe8f6

Tones

Color #3f72c6 mixed toward gray.

#4a75bb

#5678b0

#617aa4

#6c7d99

#77808e

Accessibility

Aa White text on this color

4.74:1

Aa Black text on this color

4.43:1

White text reads better on this background (4.74:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#595ab6 · ΔE 11.2

Deuteranopia

#5652b2 · ΔE 13.5

Tritanopia

#43a8a5 · ΔE 31.5

Achromatopsia

#737373 · ΔE 23.6

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

Code

CSS

background-color: #3f72c6;

Tailwind (arbitrary value)

bg-[#3f72c6]

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

#3f72c6 (#3f72c6) is rgb(63, 114, 198) in RGB.

No, #3f72c6 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 #3f72c6, or check how it holds up for accessibility.

Generate a palette → Check contrast