#4b6666

Color #4b6666

A muted dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 10.07 Nearest Tailwind class mist-600 #4b585b · ΔE 7

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Conversions

HEX

#4b6666

RGB

rgb(75, 102, 102)

HSL

hsl(180, 15.3%, 34.7%)

HSV / HSB

hsv(180, 26.5%, 40%)

CMYK

cmyk(26.5%, 0%, 0%, 60%)

LAB

lab(41.15, -9.89, -3.24)

LCH

lch(41.15, 10.41, 198.14)

OKLCH

oklch(48.9%, 0.0319, 196.22)

HWB

hwb(180, 29.4%, 60%)

Harmony colors

Complementary

#664b4b

Analogous

#4b6658

#4b6666

#4b5866

Triadic

#4b6666

#664b66

#66664b

Split-complementary

#4b6666

#664b58

#66584b

Tetradic

#4b6666

#4b4b66

#664b4b

#66664b

Square

#4b6666

#584b66

#664b4b

#58664b

Shades

Color #4b6666 mixed toward black.

#3e5555

#324444

#253333

#192222

#0c1111

Tints

Color #4b6666 mixed toward white.

#628686

#7fa1a1

#9fb8b8

#bfd0d0

#dfe7e7

Tones

Color #4b6666 mixed toward gray.

#4d6464

#4f6262

#525f5f

#545d5d

#565b5b

Accessibility

Aa White text on this color

6.19:1

Aa Black text on this color

3.39:1

White text reads better on this background (6.19:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#585866 · ΔE 15.9

Deuteranopia

#565466 · ΔE 18.3

Tritanopia

#4d6666 · ΔE 0.6

Achromatopsia

#616161 · ΔE 11.3

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

Code

CSS

background-color: #4b6666;

Tailwind (arbitrary value)

bg-[#4b6666]

Related colors

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Light Cyan #e0ffff

Pale Turquoise #afeeee

Frequently asked questions

#4b6666 (#4b6666) is rgb(75, 102, 102) in RGB.

No, #4b6666 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 #4b6666, or check how it holds up for accessibility.

Generate a palette → Check contrast