#4B0082

Indigo — Color Codes & Palette

Q: What is the RGB value of Indigo?

The RGB value of Indigo (#4B0082) is rgb(75, 0, 130). This breaks down into red, green, and blue channel values on a 0–255 scale.

Q: Is Indigo accessible on a white background?

The contrast ratio of Indigo (#4B0082) on a white (#FFFFFF) background is 12.95:1 — AAA pass for normal text. On a black (#000000) background the contrast ratio is 1.62:1 — Fail. WCAG 2.1 requires 4.5:1 for normal text (AA) and 7:1 for enhanced (AAA).

Q: What colors pair well with Indigo?

Indigo (#4B0082) pairs well with its complementary color and analogous hues. The complementary color is #358000, the analogous color at +30° is #800075, and one triadic color is #804A00. These relationships are derived from color theory using HSL (hsl(275, 100%, 25%)) as the base.

#4B0082 · rgb(75, 0, 130) · hsl(275, 100%, 25%)

Color Codes

Format	Value
HEX	#4B0082
RGB	rgb(75, 0, 130)
HSL	hsl(275, 100%, 25%)

Shades of Indigo

#440075

#3E006B

#390061

#330057

#2D004D

#270042

#210038

#1B002E

Tints of Indigo

#6200A8

#7A00D1

#9200FA

#A424FF

#B54DFF

#C675FF

#D79EFF

#E8C7FF

Color Pairings & Harmony

Complementary

#358000

Analogous +30°

#800075

Analogous −30°

#0B0080

Triadic +120°

#804A00

Triadic −120°

#00804A

Contrast & Accessibility (WCAG 2.1)

vs. White (#FFFFFF)

12.95:1 — AAA pass for normal text

vs. Black (#000000)

1.62:1 — Fail

CSS Snippet

.element {
  color: #4B0082;
}

.element-bg {
  background-color: #4B0082;
  color: #ffffff;
}

.element-border {
  border: 2px solid #4B0082;
}

About Indigo

Indigo is a dark color with vivid, highly saturated, defined by the hex code #4B0082. Its exact color model values are rgb(75, 0, 130) in RGB and hsl(275, 100%, 25%) in HSL (hue 275°, saturation 100%, lightness 25%). On a white background the contrast ratio is 12.95:1 — AAA pass for normal text, and on black it is 1.62:1 — Fail. Use Indigo for UI elements, backgrounds, text, borders, or decorative accents. The shades section below shows progressively darker variations, while the tints strip shows progressively lighter versions — both useful for building a tonal palette. The harmony swatches provide complementary, analogous, and triadic pairings based on the HSL hue wheel.

Want to explore this color interactively, generate palettes, or convert between color formats? The DevArbor Color Picker has you covered.

Open the Color Picker →

Frequently Asked Questions

What is the RGB value of Indigo?

The RGB value of Indigo (#4B0082) is rgb(75, 0, 130). Red = rgb(75, 0, 130), representing the amounts of red, green, and blue light on a 0–255 scale.

Is Indigo accessible on a white background?

The contrast ratio of Indigo on white (#FFFFFF) is 12.95:1 — AAA pass for normal text. On black (#000000) the contrast ratio is 1.62:1 — Fail. WCAG 2.1 requires 4.5:1 for AA (normal text) and 7:1 for AAA.

What colors pair well with Indigo?

Based on color theory, Indigo (hsl(275, 100%, 25%)) pairs well with its complementary, analogous, and triadic hues. See the harmony swatches above for the exact hex values of each pairing type.

Indigo — Color Codes &amp; Palette