#424747

Color #424747

A nearly neutral, gray-leaning dark cyan.

Closest named color Charcoal #36454f · ΔE 7.47 Nearest Tailwind class mist-700 #394447 · ΔE 3.3

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

Conversions

HEX

#424747

RGB

rgb(66, 71, 71)

HSL

hsl(180, 3.6%, 26.9%)

HSV / HSB

hsv(180, 7%, 27.8%)

CMYK

cmyk(7%, 0%, 0%, 72.2%)

LAB

lab(29.71, -2.05, -0.71)

LCH

lch(29.71, 2.17, 199.1)

OKLCH

oklch(39.3%, 0.0066, 196.78)

HWB

hwb(180, 25.9%, 72.2%)

Harmony colors

Complementary

#474242

Analogous

#424745

#424747

#424547

Triadic

#424747

#474247

#474742

Split-complementary

#424747

#474245

#474542

Tetradic

#424747

#424247

#474242

#474742

Square

#424747

#454247

#474242

#454742

Shades

Color #424747 mixed toward black.

#373b3b

#2c2f2f

#212424

#161818

#0b0c0c

Tints

Color #424747 mixed toward white.

#606767

#7e8787

#9ea5a5

#bfc3c3

#dfe1e1

Tones

Color #424747 mixed toward gray.

#434747

#434646

#444545

Accessibility

Aa White text on this color

9.44:1

Aa Black text on this color

2.22:1

White text reads better on this background (9.44:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#444447 · ΔE 4

Deuteranopia

#444447 · ΔE 4

Tritanopia

#424747 · ΔE 0

Achromatopsia

#464646 · ΔE 2.9

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

Code

CSS

background-color: #424747;

Tailwind (arbitrary value)

bg-[#424747]

Related colors

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Light Cyan #e0ffff

Pale Turquoise #afeeee

Frequently asked questions

#424747 (#424747) is rgb(66, 71, 71) in RGB.

No, #424747 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 #424747, or check how it holds up for accessibility.

Generate a palette → Check contrast