#31183f

Color #31183f

A moderately saturated very dark purple.

Closest named color Dark Slate Blue #483d8b · ΔE 28.46 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 7.4

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

Conversions

HEX

#31183f

RGB

rgb(49, 24, 63)

HSL

hsl(278.5, 44.8%, 17.1%)

HSV / HSB

hsv(278.5, 61.9%, 24.7%)

CMYK

cmyk(22.2%, 61.9%, 0%, 75.3%)

LAB

lab(13.62, 20.82, -20.03)

LCH

lch(13.62, 28.89, 316.11)

OKLCH

oklch(26.4%, 0.0753, 311.88)

HWB

hwb(278.5, 9.4%, 75.3%)

Harmony colors

Complementary

#263f18

Analogous

#1e183f

#31183f

#3f183a

Triadic

#31183f

#3f3118

#183f31

Split-complementary

#31183f

#3a3f18

#183f1e

Tetradic

#31183f

#3f1826

#263f18

#183f31

Square

#31183f

#3f1e18

#263f18

#183a3f

Shades

Color #31183f mixed toward black.

#291435

#21102a

#190c20

#100815

#08040b

Tints

Color #31183f mixed toward white.

#592c72

#813fa5

#a366c5

#c199d8

#e0ccec

Tones

Color #31183f mixed toward gray.

#301b3c

#2f1f39

#2e2235

#2d2532

#2d282f

Accessibility

Aa White text on this color

15.75:1

Aa Black text on this color

1.33:1

White text reads better on this background (15.75:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#282838 · ΔE 12.5

Deuteranopia

#292b36 · ΔE 15.4

Tritanopia

#303231 · ΔE 20.9

Achromatopsia

#232323 · ΔE 19.8

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

Code

CSS

background-color: #31183f;

Tailwind (arbitrary value)

bg-[#31183f]

Related colors

Dark Orchid #9932cc

Dark Violet #9400d3

Indigo #4b0082

Blue Violet #8a2be2

Rebecca Purple #663399

Medium Orchid #ba55d3

Frequently asked questions

#31183f (#31183f) is rgb(49, 24, 63) in RGB.

No, #31183f 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.

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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 #31183f, or check how it holds up for accessibility.

Generate a palette → Check contrast