#1b171d

Color #1b171d

A nearly neutral, gray-leaning very dark purple.

Closest named color Black #000000 · ΔE 9.77 Nearest Tailwind class mauve-900 #1d161e · ΔE 2.3

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Conversions

HEX

#1b171d

RGB

rgb(27, 23, 29)

HSL

hsl(280, 11.5%, 10.2%)

HSV / HSB

hsv(280, 20.7%, 11.4%)

CMYK

cmyk(6.9%, 20.7%, 0%, 88.6%)

LAB

lab(8.43, 3.51, -3.48)

LCH

lch(8.43, 4.94, 315.25)

OKLCH

oklch(21.2%, 0.0131, 314.69)

HWB

hwb(280, 9%, 88.6%)

Harmony colors

Complementary

#191d17

Analogous

#18171d

#1b171d

#1d171c

Triadic

#1b171d

#1d1b17

#171d1b

Split-complementary

#1b171d

#1c1d17

#171d18

Tetradic

#1b171d

#1d1719

#191d17

#171d1b

Square

#1b171d

#1d1817

#191d17

#171c1d

Shades

Color #1b171d mixed toward black.

#171318

#120f13

#0e0c0f

#09080a

#050405

Tints

Color #1b171d mixed toward white.

#433948

#6a5b72

#917f9a

#b6aabb

#dad4dd

Tones

Color #1b171d mixed toward gray.

#1b181d

#1b181c

#1b191c

#1a191b

#1a1a1b

Accessibility

Aa White text on this color

17.69:1

Aa Black text on this color

1.19:1

White text reads better on this background (17.69:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#19191c · ΔE 3.7

Deuteranopia

#1a1a1b · ΔE 4.9

Tritanopia

#1b1b1a · ΔE 6.4

Achromatopsia

#181818 · ΔE 5.5

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

Code

CSS

background-color: #1b171d;

Tailwind (arbitrary value)

bg-[#1b171d]

Related colors

Dark Orchid #9932cc

Dark Violet #9400d3

Indigo #4b0082

Medium Orchid #ba55d3

Blue Violet #8a2be2

Rebecca Purple #663399

Frequently asked questions

#1b171d (#1b171d) is rgb(27, 23, 29) in RGB.

No, #1b171d 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 #1b171d, or check how it holds up for accessibility.

Generate a palette → Check contrast