#311018

Color #311018

A moderately saturated very dark red.

Closest named color Black #000000 · ΔE 20.4 Nearest Tailwind class rose-950 #4d0218 · ΔE 8.8

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Conversions

HEX

#311018

RGB

rgb(49, 16, 24)

HSL

hsl(345.5, 50.8%, 12.7%)

HSV / HSB

hsv(345.5, 67.3%, 19.2%)

CMYK

cmyk(0%, 67.3%, 51%, 80.8%)

LAB

lab(9.72, 17.74, 2.61)

LCH

lch(9.72, 17.93, 8.37)

OKLCH

oklch(22.9%, 0.0543, 7.3)

HWB

hwb(345.5, 6.3%, 80.8%)

Harmony colors

Complementary

#103129

Analogous

#311028

#311018

#311810

Triadic

#311018

#183110

#101831

Split-complementary

#311018

#103118

#102831

Tetradic

#311018

#312910

#103129

#101831

Square

#311018

#283110

#103129

#181031

Shades

Color #311018 mixed toward black.

#290d14

#210b10

#18080c

#100508

#080304

Tints

Color #311018 mixed toward white.

#692233

#a1344f

#c85772

#da8fa1

#edc7d0

Tones

Color #311018 mixed toward gray.

#2e1319

#2b151b

#29181c

#261b1e

#231e1f

Accessibility

Aa White text on this color

17.24:1

Aa Black text on this color

1.22:1

White text reads better on this background (17.24:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#262616 · ΔE 25.1

Deuteranopia

#282a16 · ΔE 27.7

Tritanopia

#301515 · ΔE 4.2

Achromatopsia

#1b1b1b · ΔE 16.6

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

Code

CSS

background-color: #311018;

Tailwind (arbitrary value)

bg-[#311018]

Related colors

Crimson #dc143c

Pink #ffc0cb

Pale Violet Red #db7093

Lavender Blush #fff0f5

Light Pink #ffb6c1

Hot Pink #ff69b4

Frequently asked questions

#311018 (#311018) is rgb(49, 16, 24) in RGB.

No, #311018 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 #311018, or check how it holds up for accessibility.

Generate a palette → Check contrast