Indigo blue Color — HEX, RGB, HSL & CMYK Codes

#3a18b1
Format Value
HEX #3a18b1
RGB rgb(58, 24, 177)
HSL hsl(253.3, 76.1%, 39.4%)
CMYK cmyk(67.2%, 86.4%, 0%, 30.6%)
HSV hsv(253.3, 86.4%, 69.4%)

indigo blue color harmonies

Tints & shades of indigo blue

Tints (lighter)

#4c2db8 #5e42bf #7057c6 #826ccd #9481d4 #a596dc #b7abe3 #c9c0ea #dbd5f1 #edeaf8

Shades (darker)

#3516a1 #2f1491 #2a1181 #250f71 #200d61 #1a0b50 #150940 #100730 #0b0420 #050210

Contrast & accessibility

The quick brown fox

On white · 10.79:1 · AAA

The quick brown fox

On black · 1.95:1 · Fail

Recommended text color: #ffffff

Use indigo blue in code

CSS color: #3a18b1;
SCSS $color: #3a18b1;
Tailwind bg-[#3a18b1]
Swift UIColor(red: 0.227, green: 0.094, blue: 0.694, alpha: 1)
Android Color.parseColor("#3a18b1")
Flutter Color(0xFF3A18B1)

Colors similar to indigo blue

Browse all Blue colors →

What is the HEX code for indigo blue?

The CSS color indigo blue in HEX format is #3a18b1. Use this value directly in CSS, SVG, and most design tools.

How do I use indigo blue in CSS?

To apply indigo blue in CSS:

  • Text color: color: #3a18b1;
  • Background: background-color: #3a18b1;
  • Border: border-color: #3a18b1;

What are all the color format values for indigo blue?

FormatValue
HEX#3a18b1
RGBrgb(58, 24, 177)
HSLhsl(253.3, 76.1%, 39.4%)
CMYKcmyk(67.2%, 86.4%, 0%, 30.6%)

How do I convert indigo blue to HEX?

Select indigo blue from the color name list in our color converter. The HEX value — #3a18b1 — appears instantly alongside HEX, RGB, HSL and CMYK.

What color family does indigo blue belong to?

indigo blue belongs to the blue color family. It is a medium, vivid color with HSL values: hue 253.3°, saturation 76.1%, lightness 39.4%.

How do I create lighter and darker shades of indigo blue?

Lighter variant (lightness 54.4%): #5932e3. Darker variant (lightness 24.4%): #240f6e. These values are computed by adjusting HSL lightness ±15% while keeping the same hue and saturation.

What is HEX used for?

HEX color codes are used in CSS, HTML and design tools. They encode red, green and blue as two hexadecimal digits each (00–FF), forming a compact 6-character code like #ff0000.