#643966

Color #643966

A muted dark magenta.

Closest named color Dark Slate Blue #483d8b · ΔE 23.51 Nearest Tailwind class fuchsia-900 #721378 · ΔE 9.7

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

Conversions

HEX

#643966

RGB

rgb(100, 57, 102)

HSL

hsl(297.3, 28.3%, 31.2%)

HSV / HSB

hsv(297.3, 44.1%, 40%)

CMYK

cmyk(2%, 44.1%, 0%, 60%)

LAB

lab(30.87, 26.86, -18.58)

LCH

lch(30.87, 32.66, 325.33)

OKLCH

oklch(41.5%, 0.0896, 325.46)

HWB

hwb(297.3, 22.4%, 60%)

Harmony colors

Complementary

#3b6639

Analogous

#4e3966

#643966

#663952

Triadic

#643966

#666439

#396664

Split-complementary

#643966

#526639

#39664e

Tetradic

#643966

#66393b

#3b6639

#396664

Square

#643966

#664e39

#3b6639

#395266

Shades

Color #643966 mixed toward black.

#533055

#432644

#321d33

#211322

#110a11

Tints

Color #643966 mixed toward white.

#894e8c

#a869ab

#be8ec0

#d4b4d5

#e9d9ea

Tones

Color #643966 mixed toward gray.

#613d62

#5d415f

#5a445b

#564857

#534c53

Accessibility

Aa White text on this color

9.06:1

Aa Black text on this color

2.32:1

White text reads better on this background (9.06:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#55545d · ΔE 18.1

Deuteranopia

#575a5b · ΔE 19.3

Tritanopia

#625654 · ΔE 19.9

Achromatopsia

#494949 · ΔE 21.5

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

Code

CSS

background-color: #643966;

Tailwind (arbitrary value)

bg-[#643966]

Related colors

Dark Magenta #8b008b

Fuchsia #ff00ff

Plum #dda0dd

Purple #800080

Thistle #d8bfd8

Violet #ee82ee

Frequently asked questions

#643966 (#643966) is rgb(100, 57, 102) in RGB.

No, #643966 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.

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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 #643966, or check how it holds up for accessibility.

Generate a palette → Check contrast