#3f4c4e

Color #3f4c4e

A nearly neutral, gray-leaning dark cyan.

Closest named color Charcoal #36454f · ΔE 5.98 Nearest Tailwind class mist-700 #394447 · ΔE 2.8

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

Conversions

HEX

#3f4c4e

RGB

rgb(63, 76, 78)

HSL

hsl(188, 10.6%, 27.6%)

HSV / HSB

hsv(188, 19.2%, 30.6%)

CMYK

cmyk(19.2%, 2.6%, 0%, 69.4%)

LAB

lab(31.29, -4.65, -2.92)

LCH

lch(31.29, 5.49, 212.13)

OKLCH

oklch(40.6%, 0.017, 207.77)

HWB

hwb(188, 24.7%, 69.4%)

Harmony colors

Complementary

#4e413f

Analogous

#3f4e48

#3f4c4e

#3f444e

Triadic

#3f4c4e

#4e3f4c

#4c4e3f

Split-complementary

#3f4c4e

#4e3f44

#4e483f

Tetradic

#3f4c4e

#413f4e

#4e413f

#4c4e3f

Square

#3f4c4e

#483f4e

#4e413f

#444e3f

Shades

Color #3f4c4e mixed toward black.

#343f41

#2a3334

#1f2627

#15191a

#0a0d0d

Tints

Color #3f4c4e mixed toward white.

#5a6d70

#778d91

#99aaac

#bbc6c8

#dde3e3

Tones

Color #3f4c4e mixed toward gray.

#404b4d

#414a4b

#43494a

#444849

#454748

Accessibility

Aa White text on this color

8.92:1

Aa Black text on this color

2.36:1

White text reads better on this background (8.92:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#45454e · ΔE 9.2

Deuteranopia

#44434d · ΔE 10.2

Tritanopia

#404d4d · ΔE 1.3

Achromatopsia

#4a4a4a · ΔE 6.5

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

Code

CSS

background-color: #3f4c4e;

Tailwind (arbitrary value)

bg-[#3f4c4e]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Light Blue #add8e6

Dark Turquoise #00ced1

Deep Sky Blue #00bfff

Aqua #00ffff

Frequently asked questions

#3f4c4e (#3f4c4e) is rgb(63, 76, 78) in RGB.

No, #3f4c4e 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #3f4c4e, or check how it holds up for accessibility.

Generate a palette → Check contrast