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Indigo Color

#4b0082

Indigo Color

Purples

A deep blue-violet that sits between blue and violet on the visible spectrum, one of the seven colors Newton named in his original spectrum.

Nearest Tailwind class purple-900 #59168b · ΔE 3.6

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

Conversions

HEX

#4b0082

RGB

rgb(75, 0, 130)

HSL

hsl(274.6, 100%, 25.5%)

HSV / HSB

hsv(274.6, 100%, 51%)

CMYK

cmyk(42.3%, 100%, 0%, 49%)

LAB

lab(20.47, 51.69, -53.31)

LCH

lch(20.47, 74.26, 314.12)

OKLCH

oklch(33.9%, 0.1793, 301.69)

HWB

hwb(274.6, 0%, 49%)

Harmony colors

Complementary

#378200

Analogous

#0a0082

#4b0082

#820078

Triadic

#4b0082

#824b00

#00824b

Split-complementary

#4b0082

#788200

#00820a

Tetradic

#4b0082

#820037

#378200

#00824b

Square

#4b0082

#820a00

#378200

#007882

Shades

Indigo Color mixed toward black.

#3e006c

#320057

#250041

#19002b

#0c0016

Tints

Indigo Color mixed toward white.

#7000c1

#9402ff

#af41ff

#c980ff

#e4c0ff

Tones

Indigo Color mixed toward gray.

#490b77

#48166c

#462162

#442b57

#43364c

Accessibility

Aa White text on this color

12.95:1

Aa Black text on this color

1.62:1

White text reads better on this background (12.95:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#383872 · ΔE 13.7

Deuteranopia

#3b3f6e · ΔE 16.3

Tritanopia

#496460 · ΔE 32.1

Achromatopsia

#313131 · ΔE 27.9

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

Code

CSS

background-color: #4b0082;

Tailwind (arbitrary value)

bg-[#4b0082]

Related colors

Blue Violet #8a2be2

Rebecca Purple #663399

Dark Orchid #9932cc

Dark Violet #9400d3

Medium Orchid #ba55d3

Medium Purple #9370db

Frequently asked questions

Indigo (#4b0082) is rgb(75, 0, 130) in RGB.

No, #4b0082 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 #4b0082, or check how it holds up for accessibility.

Generate a palette → Check contrast