About Indigo
Indigo (indigo) is a dark, vivid purple with the hex code #4b0082, or rgb(75, 0, 130). In HSL it sits at a hue of 275°, 100% saturation and 25% lightness. It is one of the 148 named colors every browser understands, so you can write color: indigo; instead of the hex value.
Using Indigo for text and backgrounds
| Pairing | Contrast ratio | WCAG |
|---|---|---|
| Indigo text on white | 12.95 : 1 | AAA |
| Indigo text on black | 1.62 : 1 | fails |
On a indigo background, use white text (12.95 : 1). WCAG asks for at least 4.5 : 1 for body text and 3 : 1 for large text. Check other pairs with the Contrast Checker.
CSS
.element {
color: indigo; /* or #4b0082 */
background-color: #4b0082;
border: 1px solid rgb(75 0 130 / 50%);
}Similar named colors
Purple (#800080), Midnight Blue (#191970), Dark Slate Blue (#483d8b), Rebecca Purple (#663399), Dark Magenta (#8b008b), Navy (#000080).
Color Name FinderPaste a HEX code to get its closest human-readable name and clean token names for your CSS, SCSS, JavaScript or Tailwind config.
Open the tool Frequently asked questions
What is the hex code for indigo?
#4b0082 — that is rgb(75, 0, 130) and hsl(275, 100%, 25%). In CSS you can also just write indigo.
Is indigo text readable on white?
Its contrast ratio on white is 12.95 : 1, which passes WCAG AA for normal text.
What colors go well with indigo?
Its complementary color is #358000; analogous colors #0b0080 and #800075 sit next to it on the color wheel.