#343740

Color #343740

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 7.04 Nearest Tailwind class zinc-700 #3f3f46 · ΔE 3.3

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

Conversions

HEX

#343740

RGB

rgb(52, 55, 64)

HSL

hsl(225, 10.3%, 22.7%)

HSV / HSB

hsv(225, 18.8%, 25.1%)

CMYK

cmyk(18.8%, 14.1%, 0%, 74.9%)

LAB

lab(23.11, 0.99, -6.02)

LCH

lch(23.11, 6.1, 279.34)

OKLCH

oklch(33.8%, 0.0163, 271.05)

HWB

hwb(225, 20.4%, 74.9%)

Harmony colors

Complementary

#403d34

Analogous

#343d40

#343740

#373440

Triadic

#343740

#403437

#374034

Split-complementary

#343740

#403734

#3d4034

Tetradic

#343740

#3d3440

#403d34

#374034

Square

#343740

#40343d

#403d34

#344037

Shades

Color #343740 mixed toward black.

#2b2e35

#23252b

#1a1b20

#111215

#09090b

Tints

Color #343740 mixed toward white.

#515664

#6f7588

#9297a7

#b7bac4

#dbdce2

Tones

Color #343740 mixed toward gray.

#35373f

#36383e

#37383d

#38393c

#39393b

Accessibility

Aa White text on this color

11.89:1

Aa Black text on this color

1.77:1

White text reads better on this background (11.89:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#35353e · ΔE 1.9

Deuteranopia

#35353d · ΔE 1.8

Tritanopia

#343c3c · ΔE 7.2

Achromatopsia

#373737 · ΔE 5.4

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

Code

CSS

background-color: #343740;

Tailwind (arbitrary value)

bg-[#343740]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#343740 (#343740) is rgb(52, 55, 64) in RGB.

No, #343740 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.

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 #343740, or check how it holds up for accessibility.

Generate a palette → Check contrast