#3f312f

Color #3f312f

A nearly neutral, gray-leaning dark red.

Closest named color Charcoal #36454f · ΔE 16.24 Nearest Tailwind class taupe-700 #473c39 · ΔE 3.8

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Conversions

HEX

#3f312f

RGB

rgb(63, 49, 47)

HSL

hsl(7.5, 14.5%, 21.6%)

HSV / HSB

hsv(7.5, 25.4%, 24.7%)

CMYK

cmyk(0%, 22.2%, 25.4%, 75.3%)

LAB

lab(21.79, 5.96, 3.68)

LCH

lch(21.79, 7, 31.69)

OKLCH

oklch(32.8%, 0.0208, 27.55)

HWB

hwb(7.5, 18.4%, 75.3%)

Harmony colors

Complementary

#2f3d3f

Analogous

#3f2f35

#3f312f

#3f392f

Triadic

#3f312f

#2f3f31

#312f3f

Split-complementary

#3f312f

#2f3f39

#2f353f

Tetradic

#3f312f

#3d3f2f

#2f3d3f

#312f3f

Square

#3f312f

#353f2f

#2f3d3f

#392f3f

Shades

Color #3f312f mixed toward black.

#352927

#2a211f

#201918

#151010

#0b0808

Tints

Color #3f312f mixed toward white.

#654f4c

#8b6c68

#aa908d

#c6b5b3

#e3dad9

Tones

Color #3f312f mixed toward gray.

#3e3230

#3c3332

#3b3433

#3a3534

#383636

Accessibility

Aa White text on this color

12.41:1

Aa Black text on this color

1.69:1

White text reads better on this background (12.41:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#39392f · ΔE 11.5

Deuteranopia

#3a3b30 · ΔE 12.5

Tritanopia

#3e3030 · ΔE 1.2

Achromatopsia

#343434 · ΔE 7.9

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

Code

CSS

background-color: #3f312f;

Tailwind (arbitrary value)

bg-[#3f312f]

Related colors

Salmon #fa8072

Misty Rose #ffe4e1

Tomato #ff6347

Red #ff0000

Maroon #800000

Black #000000

Frequently asked questions

#3f312f (#3f312f) is rgb(63, 49, 47) in RGB.

No, #3f312f 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 #3f312f, or check how it holds up for accessibility.

Generate a palette → Check contrast