#663166

Color #663166

A muted dark magenta.

Closest named color Dark Slate Blue #483d8b · ΔE 22.1 Nearest Tailwind class fuchsia-900 #721378 · ΔE 7.4

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Conversions

HEX

#663166

RGB

rgb(102, 49, 102)

HSL

hsl(300, 35.1%, 29.6%)

HSV / HSB

hsv(300, 52%, 40%)

CMYK

cmyk(0%, 52%, 0%, 60%)

LAB

lab(29.36, 32.15, -20.89)

LCH

lch(29.36, 38.34, 326.99)

OKLCH

oklch(40.4%, 0.1061, 327.31)

HWB

hwb(300, 19.2%, 60%)

Harmony colors

Complementary

#316631

Analogous

#4b3166

#663166

#66314b

Triadic

#663166

#666631

#316666

Split-complementary

#663166

#4b6631

#31664b

Tetradic

#663166

#663131

#316631

#316666

Square

#663166

#664b31

#316631

#314b66

Shades

Color #663166 mixed toward black.

#552955

#442144

#331833

#221022

#110811

Tints

Color #663166 mixed toward white.

#8e448e

#b15db1

#c586c5

#d8aed8

#ecd7ec

Tones

Color #663166 mixed toward gray.

#623562

#5d3a5d

#593e59

#544354

#504750

Accessibility

Aa White text on this color

9.56:1

Aa Black text on this color

2.2:1

White text reads better on this background (9.56:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#54545c · ΔE 20.4

Deuteranopia

#575a5a · ΔE 19.9

Tritanopia

#645452 · ΔE 21

Achromatopsia

#454545 · ΔE 22.9

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

Code

CSS

background-color: #663166;

Tailwind (arbitrary value)

bg-[#663166]

Related colors

Dark Magenta #8b008b

Fuchsia #ff00ff

Plum #dda0dd

Purple #800080

Thistle #d8bfd8

Violet #ee82ee

Frequently asked questions

#663166 (#663166) is rgb(102, 49, 102) in RGB.

No, #663166 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 #663166, or check how it holds up for accessibility.

Generate a palette → Check contrast