#3f83f4

Color #3f83f4

A vivid, highly saturated light blue.

Closest named color Dodger Blue #1e90ff · ΔE 7.56 Nearest Tailwind class blue-500 #2b7fff · ΔE 1.6

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

Conversions

HEX

#3f83f4

RGB

rgb(63, 131, 244)

HSL

hsl(217.5, 89.2%, 60.2%)

HSV / HSB

hsv(217.5, 74.2%, 95.7%)

CMYK

cmyk(74.2%, 46.3%, 0%, 4.3%)

LAB

lab(55.91, 16.66, -62.86)

LCH

lch(55.91, 65.03, 284.84)

OKLCH

oklch(62.5%, 0.1832, 260)

HWB

hwb(217.5, 24.7%, 4.3%)

Harmony colors

Complementary

#f4b03f

Analogous

#3fddf4

#3f83f4

#563ff4

Triadic

#3f83f4

#f43f83

#83f43f

Split-complementary

#3f83f4

#f4563f

#ddf43f

Tetradic

#3f83f4

#b03ff4

#f4b03f

#83f43f

Square

#3f83f4

#f43fdd

#f4b03f

#3ff456

Shades

Color #3f83f4 mixed toward black.

#0f64f1

#0b50c2

#083c91

#062861

#031430

Tints

Color #3f83f4 mixed toward white.

#5f98f6

#7facf8

#9fc1fa

#bfd6fb

#dfeafd

Tones

Color #3f83f4 mixed toward gray.

#4e87e5

#5d8ad6

#6c8ec7

#7b92b8

#8a96a9

Accessibility

Aa White text on this color

3.64:1

Aa Black text on this color

5.76:1

Black text reads better on this background (5.76:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6464df · ΔE 13.2

Deuteranopia

#605ada · ΔE 16.1

Tritanopia

#44cdc9 · ΔE 36.1

Achromatopsia

#868686 · ΔE 26.4

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

Code

CSS

background-color: #3f83f4;

Tailwind (arbitrary value)

bg-[#3f83f4]

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

#3f83f4 (#3f83f4) is rgb(63, 131, 244) in RGB.

No, #3f83f4 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 #3f83f4, or check how it holds up for accessibility.

Generate a palette → Check contrast