Deep
Indigo
Indigo
#4B0082Click to copy
Indigo Parameter Conversion Table
More converters →HEX#4B0082Copy
RGBrgb(75, 0, 130)Copy
HSLhsl(275, 100%, 25%)Copy
HSV/HSBhsv(275, 100%, 51%)Copy
CMYKcmyk(42%, 100%, 0%, 49%)Copy
Indigo Color Schemes
Complementary
#4B0082
Click to copy#378200
Click to copyAnalogous
#0A0082
Click to copy#820078
Click to copySplit Complementary
#788200
Click to copy#00820A
Click to copyMonochromatic
#4B0082
Click to copy#8311D7
Click to copy#B35CF2
Click to copy#10001C
Click to copy#000000
Click to copy#000000
Click to copyIndigo WCAG Accessibility Contrast
WCAG Calculator →The contrast ratio of this color against common foreground/background colors (based on the WCAG 2.1 standard)
Sample text Aa
White background #FFFFFF
12.95 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Black background #000000
1.62 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Light gray background #F5F5F5
11.88 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Dark gray background #333333
1.03 : 1
AA NormalAA LargeAAA NormalAAA Large
Indigo Shade Variants
Gradient Generator →Lighten with White Mixed with white for a lighter, softer color
10%
20%
30%
40%
50%
60%
70%
80%
90%
Darken with Black Mixed with black for a deeper, heavier color
10%
20%
30%
40%
50%
60%
70%
80%
90%
Muted / Morandi Mixed with gray and desaturated for a sophisticated muted tone
10%
20%
30%
40%
50%
60%
70%
80%
90%
Indigo Color Introduction
Definition
Indigo (HEX #4B0082) has the RGB value rgb(75, 0, 130), the HSL value hsl(275°, 100%, 25%) and the CMYK print value cmyk(42%, 100%, 0%, 49%). In terms of color schemes, the complement of Indigo is #378200, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #0A0082 and #820078 that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#788200, #00820A) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Indigo uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Indigo has a contrast ratio of 12.95:1 against white and 1.62:1 against black; paired with a white background it reaches AAA, making body text highly readable.
Color Characteristics
Purple sits between warm and cool, evoking lavender, amethyst and twilight. Mysterious and luxurious, it has long been associated with royalty and artistic creation. Specifically, Indigo has a lightness of 25% and a saturation of 100%, steady and powerful as a background or primary color, pairing well with light text for good readability; moreover, its saturation is extremely high and its visual tension is strong, so it works best used sparingly as a focal accent. In a word: The sixth color of the rainbow.
Color Psychology
Purple can evoke romance, imagination and nobility, with a marked air of mystery; psychologically it symbolizes elegance, spirituality and creativity. For this reason Indigo tends to leave a first impression of being mysterious and elegant in the viewer’s mind, and this emotional tone also defines the role it plays in design.
Best Uses
Purple suits beauty and skincare, art exhibitions, mysterious themes and any scene that needs a sophisticated, romantic feel. In real projects, Indigo is also often used as a dark background or heading text color; in “Purple”-themed designs, the adjacent colors or lightness gradients built around it quickly establish a cohesive, clearly layered color scheme.
Indigo Featured In
This color is included in the following color cards and color families. Click a card to browse more colors in the corresponding collection.
