Nile Blue

Q: How do I use #153651 in CSS?

You can use #153651 in CSS with: background-color: #153651; or color: #153651; or as an RGB value: rgb(21, 54, 81). For print design, use CMYK: 74%, 33%, 0%, 68%.

#153651

Nile Blue is a cool dark color with the hex code #153651. This moderately saturated hue can be represented as RGB 21, 54, 81 in digital design or CMYK 74%, 33%, 0%, 68% for print applications. Find matching Pantone color.

Nile Blue color values

HEX: #153651
RGB: 21, 54, 81
HSL: 207°, 59%, 20%
CMYK: 74, 33, 0, 68

Shades & tints

Darker Lighter

About this color

Nile Blue sits at 207° on the color wheel with 59% saturation and 20% lightness, placing it in the blue segment of the spectrum. The moderate 59% saturation gives it enough color presence to register clearly without competing for dominance in a composition. The lower lightness gives it weight and depth, lending gravity to any palette it enters.

In digital environments, Nile Blue is rendered as rgb(21, 54, 81), where the blue channel is highest at 81, 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, Nile Blue translates to a CMYK breakdown of 74C 33M 0Y 68K. A substantial black component (68%) anchors this color in print. The remaining ink channels supplement rather than drive the hue, which keeps the result stable across different paper stocks. 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 Nile Blue

CSS Variable

:root {
  --brand-primary: #153651;
  --brand-primary-rgb: 21, 54, 81;
}

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

Tailwind Config

colors: {
  brand: '#153651',
}

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

Print Design (CMYK)

C: 74%
M: 33%
Y: 0%
K: 68%

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

RGB for Screens

rgb(21, 54, 81)
rgba(21, 54, 81, 0.8)

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

Brands using similar hue

24 brand s with colors near 207° on the color wheel

Frequently asked questions

What color is #153651?

#153651 is Nile Blue, a cool dark color with RGB values of 21, 54, 81. It has a hue of 207°, 59% saturation, and 20% lightness in the HSL color space.

What is the RGB value of #153651?

The RGB color code for #153651 is rgb(21, 54, 81). This means it contains 21 red, 54 green, and 81 blue in the RGB color model.

Is Nile Blue a warm or cool color?

Nile Blue (#153651) is a cool color with a hue between 120-300° on the color wheel.

How do I use #153651 in CSS?

You can use #153651 in CSS with: background-color: #153651; or color: #153651; or as an RGB value: rgb(21, 54, 81). For print design, use CMYK: 74%, 33%, 0%, 68%.