Flat Blue Color – #3c73a8: Codes and Complete Breakdown
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The Flat Blue color hex code is #3c73a8, and it is composed of 24% red, 45% green and 66% blue.
Flat Blue is a dark, bright, and cool color at 64% saturation. It has a contrast ratio of 4.99:1 against a white background, which passes WCAG AA (Web Content Accessibility Guidelines, Level AA) compliance.
For better visibility, it is recommended to use the Flat Blue color (#3c73a8) against light backgrounds.

Flat Blue Color Shades
Complementary colors
Triadic colors
Tints or lighter colors
Darker colors
Analogous colors
Monochromatic colors
#3c73a8
Flat Blue Color Codes and Information
Here’s a complete breakdown of the color Flat Blue, including its HEX, RGB, HSL, and CMYK values, as well as other information about the color.
| Data Type | Values/Details |
|---|---|
| Hex | #3c73a8 |
| RGB | rgb(60,115,168) |
| HSL | hsl(209,47.4%,44.7%) |
| CMYK | 64, 32, 0, 34 |
| HSV | 209, 64, 66 |
| RGB % | 24, 45, 66 |
| XYZ | 15.1, 16, 39.3 |
| LAB | 47, -0.6, -33.8 |
| Color Category | Dark |
| Color Family | Blue |
| Saturation | 64% |
| Temperature | Cool |
| Contrast Ratio Againt White (#ffffff) | 4.99 (passes WCAG AA) |
| Contrast Ratio Againt Black (#000000) | 4.21 (fails WCAG AA) |
Similar Colors to Flat Blue Color
#16b8f3

Zima Blue
#00308f

US Air Force Blue
#8093a4

Dusty Blue
#4169e1

Royal Blue
#dde0df

Barely Blue
#9bb3bc

Blue Shell
#cfe2ef

Weak Blue
#004d67

Work Blue









