#66437b

Color #66437b

A muted dark purple.

Closest named color Dark Slate Blue #483d8b · ΔE 16.43 Nearest Tailwind class fuchsia-900 #721378 · ΔE 10.5

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

Conversions

HEX

#66437b

RGB

rgb(102, 67, 123)

HSL

hsl(277.5, 29.5%, 37.3%)

HSV / HSB

hsv(277.5, 45.5%, 48.2%)

CMYK

cmyk(17.1%, 45.5%, 0%, 51.8%)

LAB

lab(34.54, 26.28, -26.08)

LCH

lch(34.54, 37.02, 315.22)

OKLCH

oklch(44.6%, 0.0971, 311.79)

HWB

hwb(277.5, 26.3%, 51.8%)

Harmony colors

Complementary

#587b43

Analogous

#4a437b

#66437b

#7b4374

Triadic

#66437b

#7b6643

#437b66

Split-complementary

#66437b

#747b43

#437b4a

Tetradic

#66437b

#7b4358

#587b43

#437b66

Square

#66437b

#7b4a43

#587b43

#43747b

Shades

Color #66437b mixed toward black.

#553867

#442d52

#33223e

#221629

#110b15

Tints

Color #66437b mixed toward white.

#83569e

#9c75b4

#b597c7

#cebad9

#e6dcec

Tones

Color #66437b mixed toward gray.

#654876

#644c72

#63516d

#615668

#605a64

Accessibility

Aa White text on this color

7.91:1

Aa Black text on this color

2.65:1

White text reads better on this background (7.91:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#595971 · ΔE 12.9

Deuteranopia

#5b5d6e · ΔE 15.7

Tritanopia

#656765 · ΔE 24.2

Achromatopsia

#515151 · ΔE 22

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

Code

CSS

background-color: #66437b;

Tailwind (arbitrary value)

bg-[#66437b]

Related colors

Dark Orchid #9932cc

Indigo #4b0082

Dark Violet #9400d3

Blue Violet #8a2be2

Rebecca Purple #663399

Medium Orchid #ba55d3

Frequently asked questions

#66437b (#66437b) is rgb(102, 67, 123) in RGB.

No, #66437b 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.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #66437b, or check how it holds up for accessibility.

Generate a palette → Check contrast