#3c6566

Color #3c6566

A muted dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 9.11 Nearest Tailwind class teal-800 #005f5a · ΔE 7.8

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Conversions

HEX

#3c6566

RGB

rgb(60, 101, 102)

HSL

hsl(181.4, 25.9%, 31.8%)

HSV / HSB

hsv(181.4, 41.2%, 40%)

CMYK

cmyk(41.2%, 1%, 0%, 60%)

LAB

lab(39.96, -14.03, -5.1)

LCH

lch(39.96, 14.93, 199.98)

OKLCH

oklch(47.7%, 0.0461, 197.69)

HWB

hwb(181.4, 23.5%, 60%)

Harmony colors

Complementary

#663d3c

Analogous

#3c6652

#3c6566

#3c5066

Triadic

#3c6566

#663c65

#65663c

Split-complementary

#3c6566

#663c50

#66523c

Tetradic

#3c6566

#3d3c66

#663d3c

#65663c

Square

#3c6566

#523c66

#663d3c

#50663c

Shades

Color #3c6566 mixed toward black.

#325455

#284344

#1e3333

#142222

#0a1111

Tints

Color #3c6566 mixed toward white.

#52898b

#6da8a9

#92bebf

#b6d3d4

#dbe9ea

Tones

Color #3c6566 mixed toward gray.

#406263

#435e5f

#475b5c

#4a5858

#4e5455

Accessibility

Aa White text on this color

6.47:1

Aa Black text on this color

3.25:1

White text reads better on this background (6.47:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#515166 · ΔE 21

Deuteranopia

#4e4b66 · ΔE 23.7

Tritanopia

#3f6666 · ΔE 0.7

Achromatopsia

#5e5e5e · ΔE 14.5

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

Code

CSS

background-color: #3c6566;

Tailwind (arbitrary value)

bg-[#3c6566]

Related colors

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Frequently asked questions

#3c6566 (#3c6566) is rgb(60, 101, 102) in RGB.

No, #3c6566 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 #3c6566, or check how it holds up for accessibility.

Generate a palette → Check contrast