East Bay

Q: How do I use #51537B in CSS?

You can use #51537B in CSS with: background-color: #51537B; or color: #51537B; or as an RGB value: rgb(81, 83, 123). For print design, use CMYK: 34%, 33%, 0%, 52%.

#51537B

East Bay is a cool medium color with the hex code #51537B. This muted hue can be represented as RGB 81, 83, 123 in digital design or CMYK 34%, 33%, 0%, 52% for print applications. Find matching Pantone color.

East Bay color values

HEX: #51537B
RGB: 81, 83, 123
HSL: 237°, 21%, 40%
CMYK: 34, 33, 0, 52

Shades & tints

Darker Lighter

About this color

East Bay sits at 237° on the color wheel with 21% saturation and 40% lightness, placing it in the blue segment of the spectrum. Its restrained 21% saturation keeps the hue subtle — present but not assertive, making it easy to layer over or under more expressive colors. 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, East Bay is rendered as rgb(81, 83, 123), where the blue channel is highest at 123, anchoring the color in the cool register. This muted, medium-toned character adapts well to supporting roles: borders, disabled states, secondary text, and structural UI elements.

For print, East Bay translates to a CMYK breakdown of 34C 33M 0Y 52K. A substantial black component (52%) 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 East Bay

CSS Variable

:root {
  --brand-primary: #51537B;
  --brand-primary-rgb: 81, 83, 123;
}

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

Tailwind Config

colors: {
  brand: '#51537B',
}

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

Print Design (CMYK)

C: 34%
M: 33%
Y: 0%
K: 52%

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

RGB for Screens

rgb(81, 83, 123)
rgba(81, 83, 123, 0.8)

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

Brands using similar hue

24 brand s with colors near 237° on the color wheel

Frequently asked questions

What color is #51537B?

#51537B is East Bay, a cool medium color with RGB values of 81, 83, 123. It has a hue of 237°, 21% saturation, and 40% lightness in the HSL color space.

What is the RGB value of #51537B?

The RGB color code for #51537B is rgb(81, 83, 123). This means it contains 81 red, 83 green, and 123 blue in the RGB color model.

Is East Bay a warm or cool color?

East Bay (#51537B) is a cool color with a hue between 120-300° on the color wheel.

How do I use #51537B in CSS?

You can use #51537B in CSS with: background-color: #51537B; or color: #51537B; or as an RGB value: rgb(81, 83, 123). For print design, use CMYK: 34%, 33%, 0%, 52%.