#644d66

Color #644d66

A nearly neutral, gray-leaning dark magenta.

Closest named color Charcoal #36454f · ΔE 19.55 Nearest Tailwind class mauve-600 #594c5b · ΔE 5.4

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Conversions

HEX

#644d66

RGB

rgb(100, 77, 102)

HSL

hsl(295.2, 14%, 35.1%)

HSV / HSB

hsv(295.2, 24.5%, 40%)

CMYK

cmyk(2%, 24.5%, 0%, 60%)

LAB

lab(35.94, 14.56, -10.81)

LCH

lch(35.94, 18.13, 323.41)

OKLCH

oklch(45.3%, 0.0492, 323.76)

HWB

hwb(295.2, 30.2%, 60%)

Harmony colors

Complementary

#4f664d

Analogous

#584d66

#644d66

#664d5c

Triadic

#644d66

#66644d

#4d6664

Split-complementary

#644d66

#5c664d

#4d6658

Tetradic

#644d66

#664d4f

#4f664d

#4d6664

Square

#644d66

#66584d

#4f664d

#4d5c66

Shades

Color #644d66 mixed toward black.

#534055

#433344

#322633

#211a22

#110d11

Tints

Color #644d66 mixed toward white.

#836585

#9e81a0

#b6a1b8

#cec0d0

#e7e0e7

Tones

Color #644d66 mixed toward gray.

#624f64

#615162

#5f5360

#5d555e

#5b575c

Accessibility

Aa White text on this color

7.51:1

Aa Black text on this color

2.8:1

White text reads better on this background (7.51:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#5b5b61 · ΔE 13.4

Deuteranopia

#5c5e5f · ΔE 16.4

Tritanopia

#635c5b · ΔE 14.1

Achromatopsia

#555555 · ΔE 15.7

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

Code

CSS

background-color: #644d66;

Tailwind (arbitrary value)

bg-[#644d66]

Related colors

Dark Magenta #8b008b

Fuchsia #ff00ff

Plum #dda0dd

Purple #800080

Thistle #d8bfd8

Violet #ee82ee

Frequently asked questions

#644d66 (#644d66) is rgb(100, 77, 102) in RGB.

No, #644d66 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 #644d66, or check how it holds up for accessibility.

Generate a palette → Check contrast