Cobalt

Q: How do I use #42438A in CSS?

You can use #42438A in CSS with: background-color: #42438A; or color: #42438A; or as an RGB value: rgb(66, 67, 138). For print design, use CMYK: 52%, 51%, 0%, 46%.

#42438A

Cobalt is a cool medium color with the hex code #42438A. This moderately saturated hue can be represented as RGB 66, 67, 138 in digital design or CMYK 52%, 51%, 0%, 46% for print applications. Find matching Pantone color.

Cobalt Color Values

HEX: #42438A
RGB: 66, 67, 138
HSL: 239°, 35%, 40%
CMYK: 52, 51, 0, 46

Shades & Tints

Darker Lighter

About this color

Cobalt sits at 239° on the color wheel, placing it in the cool color family, typically conveying calm and professionalism. With 35% saturation and 40% lightness, this moderately saturated medium hue balances visibility with restraint.

In digital design, cool colors like Cobalt work well for backgrounds, navigation, and establishing trust. Medium-toned colors offer versatility across both light and dark design themes.

When using Cobalt in print, the CMYK breakdown of 52%, 51%, 0%, 46% ensures accurate color reproduction. This balanced CMYK profile should reproduce consistently across different printing methods.

Color Harmonies

Complementary

Analogous

Triadic

Split-Complementary

How to use Cobalt

CSS Variable

:root {
  --brand-primary: #42438A;
  --brand-primary-rgb: 66, 67, 138;
}

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

Tailwind Config

colors: {
  brand: '#42438A',
}

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

Print Design (CMYK)

C: 52%
M: 51%
Y: 0%
K: 46%

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

RGB for Screens

rgb(66, 67, 138)
rgba(66, 67, 138, 0.8)

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

Brands Using the Same Hue

14 brand s with colors near 239° on the color wheel

Frequently Asked Questions

What color is #42438A?

#42438A is Cobalt, a cool medium color with RGB values of 66, 67, 138. It has a hue of 239°, 35% saturation, and 40% lightness in the HSL color space.

What is the RGB value of #42438A?

The RGB color code for #42438A is rgb(66, 67, 138). This means it contains 66 red, 67 green, and 138 blue in the RGB color model.

Is Cobalt a warm or cool color?

Cobalt (#42438A) is a cool color with a hue between 120-300° on the color wheel.

How do I use #42438A in CSS?

You can use #42438A in CSS with: background-color: #42438A; or color: #42438A; or as an RGB value: rgb(66, 67, 138). For print design, use CMYK: 52%, 51%, 0%, 46%.