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Astral

#337999

Astral is a cool medium color with the hex code #337999. This moderately saturated hue can be represented as RGB 51, 121, 153 in digital design or CMYK 67%, 21%, 0%, 40% for print applications. Find matching Pantone color.

Astral color values

HEX
#337999
RGB
51, 121, 153
HSL
199°, 50%, 40%
CMYK
67, 21, 0, 40

About this color

Astral sits at 199° on the color wheel with 50% saturation and 40% lightness, placing it in the blue segment of the spectrum. The moderate 50% saturation gives it enough color presence to register clearly without competing for dominance in a composition. 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, Astral is rendered as rgb(51, 121, 153), where the blue channel is highest at 153, anchoring the color in the cool register. This cool mid-tone is a reliable choice for UI chrome, informational states, and contexts that call for a calm, readable presence.

For print, Astral translates to a CMYK breakdown of 67C 21M 0Y 40K. With a moderate key (40%), 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.

How to use Astral

CSS Variable

:root {
  --brand-primary: #337999;
  --brand-primary-rgb: 51, 121, 153;
}

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

Tailwind Config

colors: {
  brand: '#337999',
}

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

Print Design (CMYK)

C: 67%
M: 21%
Y: 0%
K: 40%

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

RGB for Screens

rgb(51, 121, 153)
rgba(51, 121, 153, 0.8)

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

Frequently asked questions

What color is #337999?
#337999 is Astral, a cool medium color with RGB values of 51, 121, 153. It has a hue of 199°, 50% saturation, and 40% lightness in the HSL color space.
What is the RGB value of #337999?
The RGB color code for #337999 is rgb(51, 121, 153). This means it contains 51 red, 121 green, and 153 blue in the RGB color model.
Is Astral a warm or cool color?
Astral (#337999) is a cool color with a hue between 120-300° on the color wheel.
How do I use #337999 in CSS?
You can use #337999 in CSS with: background-color: #337999; or color: #337999; or as an RGB value: rgb(51, 121, 153). For print design, use CMYK: 67%, 21%, 0%, 40%.