#3877e1

Color #3877e1

A vivid, highly saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 10.96 Nearest Tailwind class blue-500 #2b7fff · ΔE 4.2

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

Conversions

HEX

#3877e1

RGB

rgb(56, 119, 225)

HSL

hsl(217.6, 73.8%, 55.1%)

HSV / HSB

hsv(217.6, 75.1%, 88.2%)

CMYK

cmyk(75.1%, 47.1%, 0%, 11.8%)

LAB

lab(51.23, 16.34, -59.79)

LCH

lch(51.23, 61.98, 285.29)

OKLCH

oklch(58.5%, 0.1742, 260.19)

HWB

hwb(217.6, 22%, 11.8%)

Harmony colors

Complementary

#e1a238

Analogous

#38cce1

#3877e1

#4d38e1

Triadic

#3877e1

#e13877

#77e138

Split-complementary

#3877e1

#e14d38

#cce138

Tetradic

#3877e1

#a238e1

#e1a238

#77e138

Square

#3877e1

#e138cc

#e1a238

#38e14d

Shades

Color #3877e1 mixed toward black.

#1f5fcb

#194ca3

#12397a

#0c2651

#061329

Tints

Color #3877e1 mixed toward white.

#598ee6

#7aa4eb

#9cbbf0

#bdd2f5

#dee8fa

Tones

Color #3877e1 mixed toward gray.

#467bd3

#547ec5

#6282b7

#7085a9

#7e899b

Accessibility

Aa White text on this color

4.29:1

Aa Black text on this color

4.89:1

Black text reads better on this background (4.89:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5a5bce · ΔE 12.2

Deuteranopia

#5651c9 · ΔE 14.9

Tritanopia

#3dbdb9 · ΔE 35.8

Achromatopsia

#7a7a7a · ΔE 25.9

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

Code

CSS

background-color: #3877e1;

Tailwind (arbitrary value)

bg-[#3877e1]

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

#3877e1 (#3877e1) is rgb(56, 119, 225) in RGB.

No, #3877e1 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 #3877e1, or check how it holds up for accessibility.

Generate a palette → Check contrast