#403131

Color #403131

A nearly neutral, gray-leaning dark red.

Closest named color Charcoal #36454f · ΔE 15.91 Nearest Tailwind class taupe-700 #473c39 · ΔE 4.4

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

Conversions

HEX

#403131

RGB

rgb(64, 49, 49)

HSL

hsl(0, 13.3%, 22.2%)

HSV / HSB

hsv(0, 23.4%, 25.1%)

CMYK

cmyk(0%, 23.4%, 23.4%, 74.9%)

LAB

lab(21.98, 6.79, 2.59)

LCH

lch(21.98, 7.27, 20.88)

OKLCH

oklch(33%, 0.0219, 18.35)

HWB

hwb(0, 19.2%, 74.9%)

Harmony colors

Complementary

#314040

Analogous

#403139

#403131

#403931

Triadic

#403131

#314031

#313140

Split-complementary

#403131

#314039

#313940

Tetradic

#403131

#404031

#314040

#313140

Square

#403131

#394031

#314040

#393140

Shades

Color #403131 mixed toward black.

#352929

#2b2121

#201919

#151010

#0b0808

Tints

Color #403131 mixed toward white.

#664e4e

#8b6a6a

#a98f8f

#c6b4b4

#e2dada

Tones

Color #403131 mixed toward gray.

#3f3232

#3e3434

#3c3535

#3b3636

#3a3737

Accessibility

Aa White text on this color

12.34:1

Aa Black text on this color

1.7:1

White text reads better on this background (12.34:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3a3a31 · ΔE 12.3

Deuteranopia

#3b3c31 · ΔE 13.8

Tritanopia

#3f3131 · ΔE 0.5

Achromatopsia

#353535 · ΔE 8.5

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

Code

CSS

background-color: #403131;

Tailwind (arbitrary value)

bg-[#403131]

Related colors

Red #ff0000

Maroon #800000

Black #000000

Brown #a52a2a

Dark Gray #a9a9a9

Dark Red #8b0000

Frequently asked questions

#403131 (#403131) is rgb(64, 49, 49) in RGB.

No, #403131 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 #403131, or check how it holds up for accessibility.

Generate a palette → Check contrast