#3f80ea

Color #3f80ea

A vivid, highly saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 7.93 Nearest Tailwind class blue-500 #2b7fff · ΔE 2

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

Conversions

HEX

#3f80ea

RGB

rgb(63, 128, 234)

HSL

hsl(217.2, 80.3%, 58.2%)

HSV / HSB

hsv(217.2, 73.1%, 91.8%)

CMYK

cmyk(73.1%, 45.3%, 0%, 8.2%)

LAB

lab(54.48, 14.9, -59.59)

LCH

lch(54.48, 61.42, 284.04)

OKLCH

oklch(61.2%, 0.1736, 259.75)

HWB

hwb(217.2, 24.7%, 8.2%)

Harmony colors

Complementary

#eaa93f

Analogous

#3fd5ea

#3f80ea

#533fea

Triadic

#3f80ea

#ea3f80

#80ea3f

Split-complementary

#3f80ea

#ea533f

#d5ea3f

Tetradic

#3f80ea

#a93fea

#eaa93f

#80ea3f

Square

#3f80ea

#ea3fd5

#eaa93f

#3fea53

Shades

Color #3f80ea mixed toward black.

#1864df

#1350b2

#0f3c86

#0a2859

#05142d

Tints

Color #3f80ea mixed toward white.

#5f95ee

#7faaf1

#9fbff5

#bfd5f8

#dfeafc

Tones

Color #3f80ea mixed toward gray.

#4d83dc

#5b87cd

#6a8abf

#788eb1

#8691a3

Accessibility

Aa White text on this color

3.83:1

Aa Black text on this color

5.49:1

Black text reads better on this background (5.49:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6262d6 · ΔE 13.1

Deuteranopia

#5e59d1 · ΔE 15.7

Tritanopia

#44c5c1 · ΔE 35

Achromatopsia

#828282 · ΔE 25.8

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

Code

CSS

background-color: #3f80ea;

Tailwind (arbitrary value)

bg-[#3f80ea]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#3f80ea (#3f80ea) is rgb(63, 128, 234) in RGB.

No, #3f80ea 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.

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Build something with this color

Generate a full palette from #3f80ea, or check how it holds up for accessibility.

Generate a palette → Check contrast