#643b67

Color #643b67

A muted dark magenta.

Closest named color Dark Slate Blue #483d8b · ΔE 23.68 Nearest Tailwind class fuchsia-900 #721378 · ΔE 10.1

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Conversions

HEX

#643b67

RGB

rgb(100, 59, 103)

HSL

hsl(295.9, 27.2%, 31.8%)

HSV / HSB

hsv(295.9, 42.7%, 40.4%)

CMYK

cmyk(2.9%, 42.7%, 0%, 59.6%)

LAB

lab(31.39, 25.88, -18.41)

LCH

lch(31.39, 31.76, 324.57)

OKLCH

oklch(41.9%, 0.0868, 324.52)

HWB

hwb(295.9, 23.1%, 59.6%)

Harmony colors

Complementary

#3e673b

Analogous

#4e3b67

#643b67

#673b54

Triadic

#643b67

#67643b

#3b6764

Split-complementary

#643b67

#54673b

#3b674e

Tetradic

#643b67

#673b3e

#3e673b

#3b6764

Square

#643b67

#674e3b

#3e673b

#3b5467

Shades

Color #643b67 mixed toward black.

#533156

#432745

#321e34

#211422

#110a11

Tints

Color #643b67 mixed toward white.

#88508c

#a66cab

#bc90c0

#d3b5d5

#e9daea

Tones

Color #643b67 mixed toward gray.

#613f63

#5e4260

#5b465c

#574a58

#544d55

Accessibility

Aa White text on this color

8.89:1

Aa Black text on this color

2.36:1

White text reads better on this background (8.89:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#55555f · ΔE 17.8

Deuteranopia

#575a5c · ΔE 19.5

Tritanopia

#625756 · ΔE 19.4

Achromatopsia

#4a4a4a · ΔE 21.2

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

Code

CSS

background-color: #643b67;

Tailwind (arbitrary value)

bg-[#643b67]

Related colors

Dark Magenta #8b008b

Fuchsia #ff00ff

Plum #dda0dd

Purple #800080

Thistle #d8bfd8

Violet #ee82ee

Frequently asked questions

#643b67 (#643b67) is rgb(100, 59, 103) in RGB.

No, #643b67 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.

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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 #643b67, or check how it holds up for accessibility.

Generate a palette → Check contrast