#3974d8

Color #3974d8

A moderately saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 12.58 Nearest Tailwind class blue-500 #2b7fff · ΔE 5.7

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

Conversions

HEX

#3974d8

RGB

rgb(57, 116, 216)

HSL

hsl(217.7, 67.1%, 53.5%)

HSV / HSB

hsv(217.7, 73.6%, 84.7%)

CMYK

cmyk(73.6%, 46.3%, 0%, 15.3%)

LAB

lab(49.88, 15.03, -56.88)

LCH

lch(49.88, 58.83, 284.8)

OKLCH

oklch(57.3%, 0.1655, 260.26)

HWB

hwb(217.7, 22.4%, 15.3%)

Harmony colors

Complementary

#d89d39

Analogous

#39c4d8

#3974d8

#4d39d8

Triadic

#3974d8

#d83974

#74d839

Split-complementary

#3974d8

#d84d39

#c4d839

Tetradic

#3974d8

#9d39d8

#d89d39

#74d839

Square

#3974d8

#d839c4

#d89d39

#39d84d

Shades

Color #3974d8 mixed toward black.

#255ebe

#1e4b98

#163872

#0f264c

#071326

Tints

Color #3974d8 mixed toward white.

#5a8bde

#7ba2e5

#9cbaeb

#bdd1f2

#dee8f8

Tones

Color #3974d8 mixed toward gray.

#4677cb

#537bbd

#617eb0

#6e82a3

#7b8596

Accessibility

Aa White text on this color

4.5:1

Aa Black text on this color

4.66:1

Black text reads better on this background (4.66:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5959c6 · ΔE 11.9

Deuteranopia

#5550c1 · ΔE 14.4

Tritanopia

#3eb6b2 · ΔE 34.9

Achromatopsia

#777777 · ΔE 25.4

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

Code

CSS

background-color: #3974d8;

Tailwind (arbitrary value)

bg-[#3974d8]

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

#3974d8 (#3974d8) is rgb(57, 116, 216) in RGB.

No, #3974d8 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 #3974d8, or check how it holds up for accessibility.

Generate a palette → Check contrast