Dark Blue Gray

Q: How do I use #645BA4 in CSS?

You can use #645BA4 in CSS with: background-color: #645BA4; or color: #645BA4; or as an RGB value: rgb(100, 91, 164). For print design, use CMYK: 39%, 45%, 0%, 36%.

#645BA4

Dark Blue Gray is a cool medium color with the hex code #645BA4. This muted hue can be represented as RGB 100, 91, 164 in digital design or CMYK 39%, 45%, 0%, 36% for print applications. Find matching Pantone color.

Dark Blue Gray Color Values

HEX: #645BA4
RGB: 100, 91, 164
HSL: 247°, 29%, 50%
CMYK: 39, 45, 0, 36

Shades & Tints

Darker Lighter

About this color

Dark Blue Gray sits at 247° on the color wheel, placing it in the cool color family, typically conveying calm and professionalism. With 29% saturation and 50% lightness, this muted medium hue balances visibility with restraint.

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

When using Dark Blue Gray in print, the CMYK breakdown of 39%, 45%, 0%, 36% 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 Dark Blue Gray

CSS Variable

:root {
  --brand-primary: #645BA4;
  --brand-primary-rgb: 100, 91, 164;
}

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

Tailwind Config

colors: {
  brand: '#645BA4',
}

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

Print Design (CMYK)

C: 39%
M: 45%
Y: 0%
K: 36%

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

RGB for Screens

rgb(100, 91, 164)
rgba(100, 91, 164, 0.8)

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

Brands Using the Same Hue

11 brand s with colors near 247° on the color wheel

Frequently Asked Questions

What color is #645BA4?

#645BA4 is Dark Blue Gray, a cool medium color with RGB values of 100, 91, 164. It has a hue of 247°, 29% saturation, and 50% lightness in the HSL color space.

What is the RGB value of #645BA4?

The RGB color code for #645BA4 is rgb(100, 91, 164). This means it contains 100 red, 91 green, and 164 blue in the RGB color model.

Is Dark Blue Gray a warm or cool color?

Dark Blue Gray (#645BA4) is a cool color with a hue between 120-300° on the color wheel.

How do I use #645BA4 in CSS?

You can use #645BA4 in CSS with: background-color: #645BA4; or color: #645BA4; or as an RGB value: rgb(100, 91, 164). For print design, use CMYK: 39%, 45%, 0%, 36%.