Waikawa Gray

Q: How do I use #636F9C in CSS?

You can use #636F9C in CSS with: background-color: #636F9C; or color: #636F9C; or as an RGB value: rgb(99, 111, 156). For print design, use CMYK: 37%, 29%, 0%, 39%.

#636F9C

Waikawa Gray is a cool medium color with the hex code #636F9C. This muted hue can be represented as RGB 99, 111, 156 in digital design or CMYK 37%, 29%, 0%, 39% for print applications. Find matching Pantone color.

Waikawa Gray color values

HEX: #636F9C
RGB: 99, 111, 156
HSL: 227°, 22%, 50%
CMYK: 37, 29, 0, 39

Shades & tints

Darker Lighter

About this color

Waikawa Gray sits at 227° on the color wheel with 22% saturation and 50% lightness, placing it in the blue segment of the spectrum. Its restrained 22% 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, Waikawa Gray is rendered as rgb(99, 111, 156), where the blue channel is highest at 156, 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, Waikawa Gray translates to a CMYK breakdown of 37C 29M 0Y 39K. With a moderate key (39%), this color uses black to deepen the chromatic channels rather than replace them, a profile that typically holds up well in both offset and digital print. 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 Waikawa Gray

CSS Variable

:root {
  --brand-primary: #636F9C;
  --brand-primary-rgb: 99, 111, 156;
}

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

Tailwind Config

colors: {
  brand: '#636F9C',
}

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

Print Design (CMYK)

C: 37%
M: 29%
Y: 0%
K: 39%

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

RGB for Screens

rgb(99, 111, 156)
rgba(99, 111, 156, 0.8)

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

Brands using similar hue

24 brand s with colors near 227° on the color wheel

Frequently asked questions

What color is #636F9C?

#636F9C is Waikawa Gray, a cool medium color with RGB values of 99, 111, 156. It has a hue of 227°, 22% saturation, and 50% lightness in the HSL color space.

What is the RGB value of #636F9C?

The RGB color code for #636F9C is rgb(99, 111, 156). This means it contains 99 red, 111 green, and 156 blue in the RGB color model.

Is Waikawa Gray a warm or cool color?

Waikawa Gray (#636F9C) is a cool color with a hue between 120-300° on the color wheel.

How do I use #636F9C in CSS?

You can use #636F9C in CSS with: background-color: #636F9C; or color: #636F9C; or as an RGB value: rgb(99, 111, 156). For print design, use CMYK: 37%, 29%, 0%, 39%.