Dark Blue

Q: How do I use #1F18E7 in CSS?

You can use #1F18E7 in CSS with: background-color: #1F18E7; or color: #1F18E7; or as an RGB value: rgb(31, 24, 231). For print design, use CMYK: 87%, 90%, 0%, 9%.

#1F18E7

Dark Blue is a cool medium color with the hex code #1F18E7. This vibrant hue can be represented as RGB 31, 24, 231 in digital design or CMYK 87%, 90%, 0%, 9% for print applications. Find matching Pantone color.

Dark Blue color values

HEX: #1F18E7
RGB: 31, 24, 231
HSL: 242°, 81%, 50%
CMYK: 87, 90, 0, 9

Shades & tints

Darker Lighter

About this color

Dark Blue sits at 242° on the color wheel with 81% saturation and 50% lightness, placing it in the blue segment of the spectrum. With saturation at 81%, 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(31, 24, 231), where the blue channel is highest at 231, 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 87C 90M 0Y 9K. The low-to-moderate black value (9%) means the color's character in print comes primarily from its magenta ink content (90%), 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.

Color harmonies

Complementary

Analogous

Triadic

Split-Complementary

How to use Dark Blue

CSS Variable

:root {
  --brand-primary: #1F18E7;
  --brand-primary-rgb: 31, 24, 231;
}

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

Tailwind Config

colors: {
  brand: '#1F18E7',
}

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

Print Design (CMYK)

C: 87%
M: 90%
Y: 0%
K: 9%

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

RGB for Screens

rgb(31, 24, 231)
rgba(31, 24, 231, 0.8)

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

Brands using similar hue

24 brand s with colors near 242° on the color wheel

Frequently asked questions

What color is #1F18E7?

#1F18E7 is Dark Blue, a cool medium color with RGB values of 31, 24, 231. It has a hue of 242°, 81% saturation, and 50% lightness in the HSL color space.

What is the RGB value of #1F18E7?

The RGB color code for #1F18E7 is rgb(31, 24, 231). This means it contains 31 red, 24 green, and 231 blue in the RGB color model.

Is Dark Blue a warm or cool color?

Dark Blue (#1F18E7) is a cool color with a hue between 120-300° on the color wheel.

How do I use #1F18E7 in CSS?

You can use #1F18E7 in CSS with: background-color: #1F18E7; or color: #1F18E7; or as an RGB value: rgb(31, 24, 231). For print design, use CMYK: 87%, 90%, 0%, 9%.