#3a81f5

Color #3a81f5

A vivid, highly saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 8.81 Nearest Tailwind class blue-500 #2b7fff · ΔE 1.1

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

Conversions

HEX

#3a81f5

RGB

rgb(58, 129, 245)

HSL

hsl(217.2, 90.3%, 59.4%)

HSV / HSB

hsv(217.2, 76.3%, 96.1%)

CMYK

cmyk(76.3%, 47.3%, 0%, 3.9%)

LAB

lab(55.27, 17.68, -64.45)

LCH

lch(55.27, 66.83, 285.34)

OKLCH

oklch(62%, 0.1882, 259.84)

HWB

hwb(217.2, 22.7%, 3.9%)

Harmony colors

Complementary

#f5ae3a

Analogous

#3adff5

#3a81f5

#503af5

Triadic

#3a81f5

#f53a81

#81f53a

Split-complementary

#3a81f5

#f5503a

#dff53a

Tetradic

#3a81f5

#ae3af5

#f5ae3a

#81f53a

Square

#3a81f5

#f53adf

#f5ae3a

#3af550

Shades

Color #3a81f5 mixed toward black.

#0c63f0

#0a4fc0

#073b90

#052860

#021430

Tints

Color #3a81f5 mixed toward white.

#5b96f7

#7cabf8

#9cc0fa

#bdd5fc

#deeafd

Tones

Color #3a81f5 mixed toward gray.

#4a85e5

#5989d6

#698cc6

#7890b7

#8894a7

Accessibility

Aa White text on this color

3.72:1

Aa Black text on this color

5.64:1

Black text reads better on this background (5.64:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6161e0 · ΔE 13.4

Deuteranopia

#5d57db · ΔE 16.3

Tritanopia

#40cdc9 · ΔE 36.7

Achromatopsia

#848484 · ΔE 26.7

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

Code

CSS

background-color: #3a81f5;

Tailwind (arbitrary value)

bg-[#3a81f5]

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

#3a81f5 (#3a81f5) is rgb(58, 129, 245) in RGB.

No, #3a81f5 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.

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 #3a81f5, or check how it holds up for accessibility.

Generate a palette → Check contrast