#3583f8

Color #3583f8

A vivid, highly saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 8.1 Nearest Tailwind class blue-500 #2b7fff · ΔE 1.5

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

Conversions

HEX

#3583f8

RGB

rgb(53, 131, 248)

HSL

hsl(216, 93.3%, 59%)

HSV / HSB

hsv(216, 78.6%, 97.3%)

CMYK

cmyk(78.6%, 47.2%, 0%, 2.7%)

LAB

lab(55.85, 17.03, -65.18)

LCH

lch(55.85, 67.37, 284.64)

OKLCH

oklch(62.5%, 0.191, 258.77)

HWB

hwb(216, 20.8%, 2.7%)

Harmony colors

Complementary

#f8aa35

Analogous

#35e4f8

#3583f8

#4835f8

Triadic

#3583f8

#f83583

#83f835

Split-complementary

#3583f8

#f84835

#e4f835

Tetradic

#3583f8

#aa35f8

#f8aa35

#83f835

Square

#3583f8

#f835e4

#f8aa35

#35f848

Shades

Color #3583f8 mixed toward black.

#0866f2

#0752c2

#053d91

#032961

#021430

Tints

Color #3583f8 mixed toward white.

#5798f9

#78acfa

#9ac1fb

#bcd6fd

#ddeafe

Tones

Color #3583f8 mixed toward gray.

#4586e8

#5589d7

#668dc7

#7690b7

#8693a7

Accessibility

Aa White text on this color

3.65:1

Aa Black text on this color

5.75:1

Black text reads better on this background (5.75:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6161e3 · ΔE 14.2

Deuteranopia

#5c56dd · ΔE 17.4

Tritanopia

#3cd0cc · ΔE 36.8

Achromatopsia

#868686 · ΔE 26.8

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

Code

CSS

background-color: #3583f8;

Tailwind (arbitrary value)

bg-[#3583f8]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#3583f8 (#3583f8) is rgb(53, 131, 248) in RGB.

No, #3583f8 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.

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 #3583f8, or check how it holds up for accessibility.

Generate a palette → Check contrast