#311b1d

Color #311b1d

A muted very dark red.

Closest named color Black #000000 · ΔE 17.3 Nearest Tailwind class mauve-800 #2a212c · ΔE 8.1

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Conversions

HEX

#311b1d

RGB

rgb(49, 27, 29)

HSL

hsl(354.5, 28.9%, 14.9%)

HSV / HSB

hsv(354.5, 44.9%, 19.2%)

CMYK

cmyk(0%, 44.9%, 40.8%, 80.8%)

LAB

lab(12.77, 11.22, 3.23)

LCH

lch(12.77, 11.68, 16.06)

OKLCH

oklch(25.2%, 0.035, 14.04)

HWB

hwb(354.5, 10.6%, 80.8%)

Harmony colors

Complementary

#1b312f

Analogous

#311b28

#311b1d

#31241b

Triadic

#311b1d

#1d311b

#1b1d31

Split-complementary

#311b1d

#1b3124

#1b2831

Tetradic

#311b1d

#312f1b

#1b312f

#1b1d31

Square

#311b1d

#28311b

#1b312f

#241b31

Shades

Color #311b1d mixed toward black.

#291718

#211213

#180e0f

#10090a

#080505

Tints

Color #311b1d mixed toward white.

#603539

#8e4e54

#b27379

#cca2a6

#e5d0d2

Tones

Color #311b1d mixed toward gray.

#2f1d1f

#2d1f20

#2b2122

#2a2223

#282425

Accessibility

Aa White text on this color

16.09:1

Aa Black text on this color

1.31:1

White text reads better on this background (16.09:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#29291d · ΔE 18.2

Deuteranopia

#2a2c1c · ΔE 21

Tritanopia

#301c1c · ΔE 1.4

Achromatopsia

#212121 · ΔE 12.4

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

Code

CSS

background-color: #311b1d;

Tailwind (arbitrary value)

bg-[#311b1d]

Related colors

Light Pink #ffb6c1

Pink #ffc0cb

Crimson #dc143c

Pale Violet Red #db7093

Lavender Blush #fff0f5

Hot Pink #ff69b4

Frequently asked questions

#311b1d (#311b1d) is rgb(49, 27, 29) in RGB.

No, #311b1d 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 #311b1d, or check how it holds up for accessibility.

Generate a palette → Check contrast