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Royal Blue

#1F66E0

Royal Blue is a cool medium color with the hex code #1F66E0. This vibrant hue can be represented as RGB 31, 102, 224 in digital design or CMYK 86%, 54%, 0%, 12% for print applications. Find matching Pantone color.

Royal Blue color values

HEX
#1F66E0
RGB
31, 102, 224
HSL
218°, 76%, 50%
CMYK
86, 54, 0, 12

About this color

Royal Blue sits at 218° on the color wheel with 76% saturation and 50% lightness, placing it in the blue segment of the spectrum. At 76% saturation, the hue is fully legible and confident — richly chromatic without tipping into high-contrast territory. 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, Royal Blue is rendered as rgb(31, 102, 224), where the blue channel is highest at 224, 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, Royal Blue translates to a CMYK breakdown of 86C 54M 0Y 12K. The low-to-moderate black value (12%) means the color's character in print comes primarily from its cyan ink content (86%), with black serving as a supporting shadow tone. No brands in the brandkit.pro library currently specify this exact hex as a named brand color.

How to use Royal Blue

CSS Variable

:root {
  --brand-primary: #1F66E0;
  --brand-primary-rgb: 31, 102, 224;
}

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

Tailwind Config

colors: {
  brand: '#1F66E0',
}

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

Print Design (CMYK)

C: 86%
M: 54%
Y: 0%
K: 12%

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

RGB for Screens

rgb(31, 102, 224)
rgba(31, 102, 224, 0.8)

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

Frequently asked questions

What color is #1F66E0?
#1F66E0 is Royal Blue, a cool medium color with RGB values of 31, 102, 224. It has a hue of 218°, 76% saturation, and 50% lightness in the HSL color space.
What is the RGB value of #1F66E0?
The RGB color code for #1F66E0 is rgb(31, 102, 224). This means it contains 31 red, 102 green, and 224 blue in the RGB color model.
Is Royal Blue a warm or cool color?
Royal Blue (#1F66E0) is a cool color with a hue between 120-300° on the color wheel.
How do I use #1F66E0 in CSS?
You can use #1F66E0 in CSS with: background-color: #1F66E0; or color: #1F66E0; or as an RGB value: rgb(31, 102, 224). For print design, use CMYK: 86%, 54%, 0%, 12%.