#646166

Color #646166

A nearly neutral, gray-leaning dark purple.

Closest named color Dim Gray #696969 · ΔE 4.34 Nearest Tailwind class zinc-600 #52525c · ΔE 6.2

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

Conversions

HEX

#646166

RGB

rgb(100, 97, 102)

HSL

hsl(276, 2.5%, 39%)

HSV / HSB

hsv(276, 4.9%, 40%)

CMYK

cmyk(2%, 4.9%, 0%, 60%)

LAB

lab(41.56, 2.22, -2.41)

LCH

lch(41.56, 3.28, 312.65)

OKLCH

oklch(49.7%, 0.0086, 312.18)

HWB

hwb(276, 38%, 60%)

Harmony colors

Complementary

#636661

Analogous

#616166

#646166

#666165

Triadic

#646166

#666461

#616664

Split-complementary

#646166

#656661

#616661

Tetradic

#646166

#666163

#636661

#616664

Square

#646166

#666161

#636661

#616566

Shades

Color #646166 mixed toward black.

#535155

#434144

#323033

#212022

#111011

Tints

Color #646166 mixed toward white.

#7e7a81

#98959a

#b2afb3

#cbcacc

#e5e4e6

Tones

Color #646166 mixed toward gray.

#646166

#646265

#646364

Accessibility

Aa White text on this color

6.1:1

Aa Black text on this color

3.44:1

White text reads better on this background (6.1:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#636365 · ΔE 2.7

Deuteranopia

#636365 · ΔE 2.7

Tritanopia

#646464 · ΔE 3.8

Achromatopsia

#626262 · ΔE 3.8

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

Code

CSS

background-color: #646166;

Tailwind (arbitrary value)

bg-[#646166]

Related colors

Indigo #4b0082

Dark Orchid #9932cc

Blue Violet #8a2be2

Rebecca Purple #663399

Dark Violet #9400d3

Medium Orchid #ba55d3

Frequently asked questions

#646166 (#646166) is rgb(100, 97, 102) in RGB.

No, #646166 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.

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 #646166, or check how it holds up for accessibility.

Generate a palette → Check contrast