#3f9a9f

Color #3f9a9f

A moderately saturated medium cyan.

Closest named color Cadet Blue #5f9ea0 · ΔE 6.84 Nearest Tailwind class teal-600 #009689 · ΔE 8.5

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Conversions

HEX

#3f9a9f

RGB

rgb(63, 154, 159)

HSL

hsl(183.1, 43.2%, 43.5%)

HSV / HSB

hsv(183.1, 60.4%, 62.4%)

CMYK

cmyk(60.4%, 3.1%, 0%, 37.6%)

LAB

lab(58.67, -25.14, -10.7)

LCH

lch(58.67, 27.32, 203.06)

OKLCH

oklch(63.4%, 0.0856, 200.23)

HWB

hwb(183.1, 24.7%, 37.6%)

Harmony colors

Complementary

#9f443f

Analogous

#3f9f74

#3f9a9f

#3f6a9f

Triadic

#3f9a9f

#9f3f9a

#9a9f3f

Split-complementary

#3f9a9f

#9f3f6a

#9f743f

Tetradic

#3f9a9f

#443f9f

#9f443f

#9a9f3f

Square

#3f9a9f

#743f9f

#9f443f

#6a9f3f

Shades

Color #3f9a9f mixed toward black.

#358084

#2a676a

#204d4f

#153335

#0b1a1a

Tints

Color #3f9a9f mixed toward white.

#53b5bb

#75c4c8

#98d3d6

#bae2e4

#ddf0f1

Tones

Color #3f9a9f mixed toward gray.

#479397

#4f8c8f

#578487

#5f7d7f

#677677

Accessibility

Aa White text on this color

3.32:1

Aa Black text on this color

6.33:1

Black text reads better on this background (6.33:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#72739e · ΔE 27.4

Deuteranopia

#6d669e · ΔE 30.7

Tritanopia

#479d9d · ΔE 2.2

Achromatopsia

#8d8d8d · ΔE 20.4

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

Code

CSS

background-color: #3f9a9f;

Tailwind (arbitrary value)

bg-[#3f9a9f]

Related colors

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Frequently asked questions

#3f9a9f (#3f9a9f) is rgb(63, 154, 159) in RGB.

No, #3f9a9f 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 #3f9a9f, or check how it holds up for accessibility.

Generate a palette → Check contrast