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Curious Blue

#00A1E0 aka “Cerulean” by Salesforce

Curious Blue is a cool medium color with the hex code #00A1E0. Also known as "Cerulean" by Salesforce . This vibrant hue can be represented as RGB 0, 161, 224 in digital design or CMYK 100%, 28%, 0%, 12% for print applications. Find matching Pantone color. Currently, 1 brand uses this color in their visual identity, making it a proven choice for professional branding and web design.

Curious Blue color values

HEX
#00A1E0
RGB
0, 161, 224
HSL
197°, 100%, 44%
CMYK
100, 28, 0, 12

Shades & tints

Darker Lighter

About this color

Curious Blue sits at 197° on the color wheel with 100% saturation and 44% lightness, placing it in the blue segment of the spectrum. With saturation at 100%, 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, Curious Blue is rendered as rgb(0, 161, 224), where the blue channel is highest at 224, 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, Curious Blue translates to a CMYK breakdown of 100C 28M 0Y 12K. The low-to-moderate black value (12%) means the color's character in print comes primarily from its cyan ink content (100%), with black serving as a supporting shadow tone. In brand applications, this exact value is specified as Cerulean.

Color harmonies

Complementary

Split-Complementary

How to use Curious Blue

CSS Variable 

:root {
  --brand-primary: #00A1E0;
  --brand-primary-rgb: 0, 161, 224;
}

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

Tailwind Config 

colors: {
  brand: '#00A1E0',
}

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

Print Design (CMYK) 

C: 100%
M: 28%
Y: 0%
K: 12%

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

RGB for Screens 

rgb(0, 161, 224)
rgba(0, 161, 224, 0.8)

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

Brands using Curious Blue

1 brand uses this color in their identity

Salesforce

Technology • Tolleson

Brands using similar hue

24 brand s with colors near 197° on the color wheel

Figma logo
Figma
Intel logo
Intel
Snowflake logo
Snowflake
Microsoft logo
Microsoft

Frequently asked questions

What color is #00A1E0?
#00A1E0 is Curious Blue, a cool medium color with RGB values of 0, 161, 224. It has a hue of 197°, 100% saturation, and 44% lightness in the HSL color space.
What is the RGB value of #00A1E0?
The RGB color code for #00A1E0 is rgb(0, 161, 224). This means it contains 0 red, 161 green, and 224 blue in the RGB color model.
Is Curious Blue a warm or cool color?
Curious Blue (#00A1E0) is a cool color with a hue between 120-300° on the color wheel.
How do I use #00A1E0 in CSS?
You can use #00A1E0 in CSS with: background-color: #00A1E0; or color: #00A1E0; or as an RGB value: rgb(0, 161, 224). For print design, use CMYK: 100%, 28%, 0%, 12%.

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