Dark Blue

Q: How do I use #1A11BB in CSS?

You can use #1A11BB in CSS with: background-color: #1A11BB; or color: #1A11BB; or as an RGB value: rgb(26, 17, 187). For print design, use CMYK: 86%, 91%, 0%, 27%.

#1A11BB

Dark Blue is a cool medium color with the hex code #1A11BB. This vibrant hue can be represented as RGB 26, 17, 187 in digital design or CMYK 86%, 91%, 0%, 27% for print applications. Find matching Pantone color.

Dark Blue color values

HEX: #1A11BB
RGB: 26, 17, 187
HSL: 243°, 83%, 40%
CMYK: 86, 91, 0, 27

Shades & tints

Darker Lighter

About this color

Dark Blue sits at 243° on the color wheel with 83% saturation and 40% lightness, placing it in the blue segment of the spectrum. With saturation at 83%, this is a high-chroma color: the kind that anchors palettes and demands considered placement. Its mid-range lightness positions it as a mid-tone: neither a background color nor a deep accent, but something in between.

In digital environments, Dark Blue is rendered as rgb(26, 17, 187), where the blue channel is highest at 187, producing a strongly blue character. The mid-range lightness and strong saturation make this versatile for both foreground and background roles, depending on what it is paired against.

For print, Dark Blue translates to a CMYK breakdown of 86C 91M 0Y 27K. With a moderate key (27%), this color uses black to deepen the chromatic channels rather than replace them, a profile that typically holds up well in both offset and digital print. No brands in the brandkit.pro library currently specify this exact hex as a named brand color.

Color harmonies

Complementary

Analogous

Triadic

Split-Complementary

How to use Dark Blue

CSS Variable

:root {
  --brand-primary: #1A11BB;
  --brand-primary-rgb: 26, 17, 187;
}

Define as a CSS custom property for consistent theming across your site.

Tailwind Config

colors: {
  brand: '#1A11BB',
}

Add to your Tailwind config to use classes like bg-brand.

Print Design (CMYK)

C: 86%
M: 91%
Y: 0%
K: 27%

Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.

RGB for Screens

rgb(26, 17, 187)
rgba(26, 17, 187, 0.8)

Use RGB notation for compatibility or add alpha channel for transparency.

Brands using similar hue

24 brand s with colors near 243° on the color wheel

Frequently asked questions

What color is #1A11BB?

#1A11BB is Dark Blue, a cool medium color with RGB values of 26, 17, 187. It has a hue of 243°, 83% saturation, and 40% lightness in the HSL color space.

What is the RGB value of #1A11BB?

The RGB color code for #1A11BB is rgb(26, 17, 187). This means it contains 26 red, 17 green, and 187 blue in the RGB color model.

Is Dark Blue a warm or cool color?

Dark Blue (#1A11BB) is a cool color with a hue between 120-300° on the color wheel.

How do I use #1A11BB in CSS?

You can use #1A11BB in CSS with: background-color: #1A11BB; or color: #1A11BB; or as an RGB value: rgb(26, 17, 187). For print design, use CMYK: 86%, 91%, 0%, 27%.