Indigo Dye

HEX: #091F92 | Modern Palette

On White
12.94:1
PASS
On Black
1.62:1
FAIL

Color Specifications

HEX
#091F92
RGB
9, 31, 146
HSL
230°, 93% ,57%
CMYK
93.84, 78.77, 0, 42.75

About Indigo Dye

Indigo Dye (#091F92) is a color with RGB(9, 31, 146) and HSL(230.36°, 93.84%, 57.25%). It is commonly associated with Bold moods. In design, it fits Vivid, Neon styles and is suitable for Text, Button, Accent. Its complementary color is #927C09, which creates strong contrast. Its triadic palette includes #92091F and #1F9209. The name comes from indikón (Greek).

  • HEX: #091F92
  • RGB: 9, 31, 146
  • HSL: 230.36°, 93.84%, 57.25%
  • Mood: Bold
  • Style: Vivid, Neon
  • Use case: Text, Button, Accent
  • Complementary color: #927C09
  • Triadic colors: #92091F, #1F9209
  • The name comes from indikón (Greek).

Live Components

LIGHT
DARK
System Notification Box

Color Palettes

Monochromatic Five tones of the same hue — a reliable scale for backgrounds, surfaces, and text.
Neutral + Accent Four near-neutral tones grounded by a saturated accent — clean and versatile for UI.
Analogous Five hues drifting across a 60° arc — naturally harmonious and pleasing to the eye.
3 + 1 + 1 Three analogous base colors, one complementary accent, one dark anchor — bold yet balanced.

Color Harmonies

Complementary

The color directly opposite on the color wheel — creates maximum contrast and vibrance.

Analogous

Colors adjacent on the wheel — naturally harmonious and pleasing to the eye.

Triadic

Three colors equally spaced 120° apart — bold, balanced, and visually rich.

Split-Complementary

Two colors flanking the complement — high contrast with less tension than full complementary.

Tetradic (Square)

Four colors at 90° intervals — rich variety, best when one color dominates.

Monochromatic

Shades and tints of the same hue — cohesive, elegant, and easy to work with.

Shades & Tints

A seamless scale of #091F92 from deepest shade to lightest tint.

Color Characteristics

Mood
Bold
Style
Vivid Neon
Use case
Text Button Accent

Accessibility Simulation

Deuteranopia #1A1A92
Protanopia #1D1D92
Tritanopia #003E3E
Achromatopsia #313131

Frequently Asked Questions

Indigo Dye (#091F92) is a color with RGB(9, 31, 146) and HSL(230.36°, 93.84%, 57.25%).

#091F92 pairs strongly with #927C09 as its complementary color. It can also be used with neutral tones for balanced UI and design layouts.

#091F92 is suitable for Text, Button, Accent and works well with Vivid, Neon styles.

#091F92 is commonly associated with Bold.

The name Indigo Dye is linked to indikón from Greek, meaning Indian substance/dye.

Name, History & Etymology

Origin Word indikón
Meaning Indian substance/dye
Language Greek
First Recorded Use Ancient

History

Indigo dye has a rich and ancient history, with evidence of its use dating back thousands of years. The earliest known use comes from the Indus Valley Civilization (modern-day Pakistan and India) around 2000 BCE. Ancient Egyptians used indigo to dye mummy wrappings, and it was also known to the Romans, Greeks, Mesopotamians, and various Asian cultures. For centuries, the primary source of indigo was the plant *Indigofera tinctoria*, native to India. The dye was a valuable commodity, traded along ancient routes like the Silk Road. Its deep, rich blue color made it highly sought after for textiles. In the late 19th century, German chemist Adolf von Baeyer synthesized indigo artificially, leading to the decline of natural indigo cultivation but making the dye more widely accessible and affordable. Today, most indigo used is synthetic.

First Recorded Use

Circa 2000 BCE (evidence of use in Indus Valley Civilization)

Cultural Associations

Indigo holds significant cultural importance across many societies. In India, it has been used for centuries in traditional textiles like 'bandhani' (tie-dye) and 'shibori'. In Japan, indigo dyeing ('aizome') is a revered craft, producing distinctive blue fabrics for kimonos and other garments. It has also been used in West African textiles, particularly among the Tuareg people, who are sometimes called the 'Blue People' due to their indigo-dyed clothing that can stain their skin. Historically, indigo was a symbol of wealth and status due to its rarity and the complexity of its dyeing process. It is famously used to dye denim for blue jeans, making it one of the most ubiquitous colors in modern fashion.

Similar Named Colors

Imperial Blue #002395 ΔE 1.16
Resolution Blue #002387 ΔE 2.35
Blue (Pantone) #0018A8 ΔE 3.35
Phthalo Blue #000F89 ΔE 3.52

Code Snippets

/* Background */
.element {
    background-color: #091F92;
}

/* Text */
.element {
    color: #091F92;
}

/* Border */
.element {
    border: 1px solid #091F92;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #091F92,
        #F8D72C
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #091F92,
        #F8D72C
    );
}

// SCSS variable
$indigo-dye: #091F92;

// With RGB channels (useful for rgba() usage)
$indigo-dye-r: 9;
$indigo-dye-g: 31;
$indigo-dye-b: 146;

// Usage
.element {
    background-color: $indigo-dye;
    color: rgba($indigo-dye-r, $indigo-dye-g, $indigo-dye-b, 0.8);
}