#2f3339

Color #2f3339

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 8.7 Nearest Tailwind class zinc-800 #27272a · ΔE 4.4

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Conversions

HEX

#2f3339

RGB

rgb(47, 51, 57)

HSL

hsl(216, 9.6%, 20.4%)

HSV / HSB

hsv(216, 17.5%, 22.4%)

CMYK

cmyk(17.5%, 10.5%, 0%, 77.6%)

LAB

lab(21.08, -0.19, -4.37)

LCH

lch(21.08, 4.37, 267.51)

OKLCH

oklch(32%, 0.012, 258.5)

HWB

hwb(216, 18.4%, 77.6%)

Harmony colors

Complementary

#39352f

Analogous

#2f3839

#2f3339

#302f39

Triadic

#2f3339

#392f33

#33392f

Split-complementary

#2f3339

#39302f

#38392f

Tetradic

#2f3339

#352f39

#39352f

#33392f

Square

#2f3339

#392f38

#39352f

#2f3930

Shades

Color #2f3339 mixed toward black.

#272b30

#1f2226

#181a1d

#101113

#08090a

Tints

Color #2f3339 mixed toward white.

#4e545e

#6c7583

#9098a3

#b5bac2

#dadde0

Tones

Color #2f3339 mixed toward gray.

#303338

#313337

#323437

#323436

#333435

Accessibility

Aa White text on this color

12.7:1

Aa Black text on this color

1.65:1

White text reads better on this background (12.7:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#313138 · ΔE 2.8

Deuteranopia

#313037 · ΔE 3.4

Tritanopia

#2f3636 · ΔE 4.9

Achromatopsia

#333333 · ΔE 4

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

Code

CSS

background-color: #2f3339;

Tailwind (arbitrary value)

bg-[#2f3339]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#2f3339 (#2f3339) is rgb(47, 51, 57) in RGB.

No, #2f3339 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 #2f3339, or check how it holds up for accessibility.

Generate a palette → Check contrast