# Indigo Color (#4B0082)

> Indigo is a CSS named color defined as hex code #4B0082.

- **URL**: https://swatchatlas.com/colors/indigo/
- **Language**: English (en)
- **CSS Name**: `indigo`
- **Date Published**: 2026-09-29
- **Date Modified**: 2026-09-29
- **Authority Citation**: W3C CSS Color Module Level 4 (https://www.w3.org/TR/css-color-4/#named-colors)

## Color Values
- **HEX**: #4B0082
- **RGB**: rgb(75, 0, 130)
- **HSL**: hsl(275, 100%, 25%)
- **HSV/HSB**: hsv(275, 100%, 51%)
- **CMYK**: cmyk(42%, 100%, 0%, 49%) (digital approximation, non-print)
- **OKLCH**: oklch(0.339 0.179 301.7)

## What Colors Go With Indigo
Contrast is each color on Indigo (WCAG 2.2); 4.5:1 or above is text-safe.
- **White (#FFFFFF)**: 12.95:1, text-safe. Maximum contrast: the standard text color on indigo.
- **Gold (#FFD700)**: 9.23:1, text-safe. A warm, regal accent for headings and icons.
- **Lavender (#E6E6FA)**: 10.52:1, text-safe. A pale tonal partner for text and highlights.
- **Pink (#FFC0CB)**: 8.42:1, text-safe. A soft, modern contrast against the deep violet.
- **Silver (#C0C0C0)**: 7.12:1, text-safe. A cool metallic neutral for secondary text.
- **Turquoise (#40E0D0)**: 7.89:1, text-safe. A bright, techy complement for buttons and links.

## WCAG 2.2 Contrast Results
- **Pure Black (#000000) text on Indigo**: 1.62:1 (Fails AA and AAA)
- **Pure White (#FFFFFF) text on Indigo**: 12.95:1 (Passes AA and AAA for both normal and large text)
- **Dark Charcoal (#212529) text on Indigo**: 1.19:1 (Fails AA and AAA)
- **Mid Gray (#666666) text on Indigo**: 2.26:1 (Fails AA and AAA)

## FAQ
### Can I use black text on Indigo?
No. Black text on Indigo has a WCAG 2.2 contrast ratio of only 1.62:1, below the 3:1 minimum even for large text.

### Can I use white text on Indigo?
Yes. White text on Indigo has a WCAG 2.2 contrast ratio of 12.95:1, passing both AA (4.5:1) and AAA (7:1) at every text size.

### What colors go with Indigo?
White, Gold, Lavender, Pink, Silver and Turquoise all go well with Indigo. White (12.95:1), Gold (9.23:1), Lavender (10.52:1), Pink (8.42:1), Silver (7.12:1) and Turquoise (7.89:1) have enough contrast for text on Indigo.

### Is indigo purple or blue?
Indigo (#4B0082) has a hue of 275°, between blue (240°) and CSS purple (300°) and slightly closer to purple, so it reads as a very dark violet.

## Background Download
- **Format**: PNG 1920x1080 solid background
- **URL**: https://swatchatlas.com/images/backgrounds/indigo-1920x1080.png