#1b0031

Color #1b0031

A vivid, highly saturated very dark purple.

Closest named color Midnight Blue #191970 · ΔE 28.27 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 7.7

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Conversions

HEX

#1b0031

RGB

rgb(27, 0, 49)

HSL

hsl(273.1, 100%, 9.6%)

HSV / HSB

hsv(273.1, 100%, 19.2%)

CMYK

cmyk(44.9%, 100%, 0%, 80.8%)

LAB

lab(4.11, 23.12, -25.33)

LCH

lch(4.11, 34.29, 312.39)

OKLCH

oklch(17.8%, 0.0929, 304.39)

HWB

hwb(273.1, 0%, 80.8%)

Harmony colors

Complementary

#163100

Analogous

#030031

#1b0031

#31002e

Triadic

#1b0031

#311b00

#00311b

Split-complementary

#1b0031

#2e3100

#003103

Tetradic

#1b0031

#310016

#163100

#00311b

Square

#1b0031

#310300

#163100

#002e31

Shades

Color #1b0031 mixed toward black.

#170029

#120021

#0e0018

#090010

#050008

Tints

Color #1b0031 mixed toward white.

#45007e

#7000cb

#9818ff

#ba65ff

#ddb2ff

Tones

Color #1b0031 mixed toward gray.

#1b042d

#1a0829

#1a0c25

#191021

#19141d

Accessibility

Aa White text on this color

19.25:1

Aa Black text on this color

1.09:1

White text reads better on this background (19.25:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#12122a · ΔE 9.4

Deuteranopia

#141528 · ΔE 11.5

Tritanopia

#1a2422 · ΔE 23.6

Achromatopsia

#0e0e0e · ΔE 21.2

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

Code

CSS

background-color: #1b0031;

Tailwind (arbitrary value)

bg-[#1b0031]

Related colors

Indigo #4b0082

Blue Violet #8a2be2

Rebecca Purple #663399

Dark Orchid #9932cc

Dark Violet #9400d3

Medium Purple #9370db

Frequently asked questions

#1b0031 (#1b0031) is rgb(27, 0, 49) in RGB.

No, #1b0031 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 #1b0031, or check how it holds up for accessibility.

Generate a palette → Check contrast