Fun Blue is a
cool medium color with the hex code #1866B4.
This vibrant hue can be represented as RGB
24, 102, 180 in digital design or CMYK 87%, 43%, 0%, 29% for print applications.
Find matching Pantone color.
Fun Blue
#1866B4
Fun Blue color values
- HEX
- #1866B4
- RGB
- 24, 102, 180
- HSL
- 210°, 76%, 40%
- CMYK
- 87, 43, 0, 29
Shades & tints
About this color
Fun Blue sits at 210° on the color wheel with 76% saturation and 40% lightness, placing it in the blue segment of the spectrum. At 76% saturation, the hue is fully legible and confident — richly chromatic without tipping into high-contrast territory. 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, Fun Blue is rendered as rgb(24, 102, 180), where the blue channel is highest at 180, 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, Fun Blue translates to a CMYK breakdown of 87C 43M 0Y 29K. With a moderate key (29%), 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 Fun Blue
CSS Variable
:root {
--brand-primary: #1866B4;
--brand-primary-rgb: 24, 102, 180;
} Define as a CSS custom property for consistent theming across your site.
Tailwind Config
colors: {
brand: '#1866B4',
}
Add to your Tailwind config to use classes like bg-brand.
Print Design (CMYK)
C: 87%
M: 43%
Y: 0%
K: 29% Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.
RGB for Screens
rgb(24, 102, 180)
rgba(24, 102, 180, 0.8) Use RGB notation for compatibility or add alpha channel for transparency.
Frequently asked questions
What color is #1866B4?
What is the RGB value of #1866B4?
Is Fun Blue a warm or cool color?
How do I use #1866B4 in CSS?
background-color: #1866B4; or color: #1866B4; or as an RGB value: rgb(24, 102, 180). For print design, use CMYK: 87%, 43%, 0%, 29%.