#3f8e9b

Color #3f8e9b

A moderately saturated medium cyan.

Closest named color Cadet Blue #5f9ea0 · ΔE 9.26 Nearest Tailwind class cyan-600 #0092b8 · ΔE 7.9

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Conversions

HEX

#3f8e9b

RGB

rgb(63, 142, 155)

HSL

hsl(188.5, 42.2%, 42.7%)

HSV / HSB

hsv(188.5, 59.4%, 60.8%)

CMYK

cmyk(59.4%, 8.4%, 0%, 39.2%)

LAB

lab(54.83, -20.12, -14.18)

LCH

lch(54.83, 24.61, 215.18)

OKLCH

oklch(60.3%, 0.0791, 209.81)

HWB

hwb(188.5, 24.7%, 39.2%)

Harmony colors

Complementary

#9b4c3f

Analogous

#3f9b7a

#3f8e9b

#3f609b

Triadic

#3f8e9b

#9b3f8e

#8e9b3f

Split-complementary

#3f8e9b

#9b3f60

#9b7a3f

Tetradic

#3f8e9b

#4c3f9b

#9b4c3f

#8e9b3f

Square

#3f8e9b

#7a3f9b

#9b4c3f

#609b3f

Shades

Color #3f8e9b mixed toward black.

#347681

#2a5f67

#1f474d

#152f34

#0a181a

Tints

Color #3f8e9b mixed toward white.

#52aab9

#74bbc7

#97ccd5

#badde3

#dceef1

Tones

Color #3f8e9b mixed toward gray.

#478893

#4e838c

#567d84

#5e787c

#657275

Accessibility

Aa White text on this color

3.78:1

Aa Black text on this color

5.55:1

Black text reads better on this background (5.55:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6a6b98 · ΔE 25.1

Deuteranopia

#666097 · ΔE 27.5

Tritanopia

#469695 · ΔE 6.5

Achromatopsia

#838383 · ΔE 18.8

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

Code

CSS

background-color: #3f8e9b;

Tailwind (arbitrary value)

bg-[#3f8e9b]

Related colors

Powder Blue #b0e0e6

Light Blue #add8e6

Deep Sky Blue #00bfff

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Frequently asked questions

#3f8e9b (#3f8e9b) is rgb(63, 142, 155) in RGB.

No, #3f8e9b 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.

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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 #3f8e9b, or check how it holds up for accessibility.

Generate a palette → Check contrast