#664f74

Color #664f74

A muted dark purple.

Closest named color Charcoal #36454f · ΔE 24.26 Nearest Tailwind class mauve-600 #594c5b · ΔE 8.6

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Conversions

HEX

#664f74

RGB

rgb(102, 79, 116)

HSL

hsl(277.3, 19%, 38.2%)

HSV / HSB

hsv(277.3, 31.9%, 45.5%)

CMYK

cmyk(12.1%, 31.9%, 0%, 54.5%)

LAB

lab(37.26, 17.22, -17.5)

LCH

lch(37.26, 24.55, 314.54)

OKLCH

oklch(46.6%, 0.0647, 312.24)

HWB

hwb(277.3, 31%, 54.5%)

Harmony colors

Complementary

#5d744f

Analogous

#534f74

#664f74

#744f6f

Triadic

#664f74

#74664f

#4f7466

Split-complementary

#664f74

#6f744f

#4f7453

Tetradic

#664f74

#744f5d

#5d744f

#4f7466

Square

#664f74

#74534f

#5d744f

#4f6f74

Shades

Color #664f74 mixed toward black.

#554261

#44354d

#33273a

#221a27

#110d13

Tints

Color #664f74 mixed toward white.

#816493

#9b82aa

#b4a1bf

#cdc0d4

#e6e0ea

Tones

Color #664f74 mixed toward gray.

#655271

#64556e

#64586b

#635b68

#625e64

Accessibility

Aa White text on this color

7.15:1

Aa Black text on this color

2.94:1

White text reads better on this background (7.15:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#5d5d6c · ΔE 12.1

Deuteranopia

#5e606b · ΔE 14.4

Tritanopia

#656665 · ΔE 19.5

Achromatopsia

#585858 · ΔE 18.1

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

Code

CSS

background-color: #664f74;

Tailwind (arbitrary value)

bg-[#664f74]

Related colors

Indigo #4b0082

Dark Orchid #9932cc

Dark Violet #9400d3

Blue Violet #8a2be2

Rebecca Purple #663399

Medium Orchid #ba55d3

Frequently asked questions

#664f74 (#664f74) is rgb(102, 79, 116) in RGB.

No, #664f74 is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #664f74, or check how it holds up for accessibility.

Generate a palette → Check contrast