#311540

Color #311540

A moderately saturated very dark purple.

Closest named color Dark Slate Blue #483d8b · ΔE 27.23 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 7.3

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Conversions

HEX

#311540

RGB

rgb(49, 21, 64)

HSL

hsl(279.1, 50.6%, 16.7%)

HSV / HSB

hsv(279.1, 67.2%, 25.1%)

CMYK

cmyk(23.4%, 67.2%, 0%, 74.9%)

LAB

lab(12.98, 22.98, -21.75)

LCH

lch(12.98, 31.64, 316.58)

OKLCH

oklch(26%, 0.0823, 312.1)

HWB

hwb(279.1, 8.2%, 74.9%)

Harmony colors

Complementary

#244015

Analogous

#1c1540

#311540

#40153a

Triadic

#311540

#403115

#154031

Split-complementary

#311540

#3a4015

#15401c

Tetradic

#311540

#401524

#244015

#154031

Square

#311540

#401c15

#244015

#153a40

Shades

Color #311540 mixed toward black.

#291235

#210e2b

#190b20

#100715

#08040b

Tints

Color #311540 mixed toward white.

#5a2775

#8338ab

#a55fcb

#c394dc

#e1caee

Tones

Color #311540 mixed toward gray.

#30193d

#2f1c39

#2e2035

#2d2332

#2c272e

Accessibility

Aa White text on this color

16.01:1

Aa Black text on this color

1.31:1

White text reads better on this background (16.01:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#272739 · ΔE 12.6

Deuteranopia

#292b37 · ΔE 15.8

Tritanopia

#303231 · ΔE 21.6

Achromatopsia

#212121 · ΔE 20.7

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

Code

CSS

background-color: #311540;

Tailwind (arbitrary value)

bg-[#311540]

Related colors

Dark Orchid #9932cc

Dark Violet #9400d3

Indigo #4b0082

Blue Violet #8a2be2

Medium Orchid #ba55d3

Rebecca Purple #663399

Frequently asked questions

#311540 (#311540) is rgb(49, 21, 64) in RGB.

No, #311540 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 #311540, or check how it holds up for accessibility.

Generate a palette → Check contrast