Once in a Blue Moon Color – #0044bb: Codes and Complete Breakdown
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The Once in a Blue Moon color hex code is #0044bb, and it is composed of 0% red, 27% green and 73% blue.
Once in a Blue Moon is a dark, vibrant, saturated, and cool color at 100% saturation. It has a contrast ratio of 8.25:1 against a white background, which passes WCAG AA (Web Content Accessibility Guidelines, Level AA) compliance.
For better visibility, it is recommended to use the Once in a Blue Moon color (#0044bb) against light backgrounds.

Once in a Blue Moon Color Shades
Complementary colors
Triadic colors
Tints or lighter colors
Darker colors
Analogous colors
Monochromatic colors
#0044bb
Once in a Blue Moon Color Codes and Information
Here’s a complete breakdown of the color Once in a Blue Moon, including its HEX, RGB, HSL, and CMYK values, as well as other information about the color.
| Data Type | Values/Details |
|---|---|
| Hex | #0044bb |
| RGB | rgb(0,68,187) |
| HSL | hsl(218,100%,36.7%) |
| CMYK | 100, 64, 0, 27 |
| HSV | 218, 100, 73 |
| RGB % | 0, 27, 73 |
| XYZ | 11, 7.7, 47.9 |
| LAB | 33.4, 30.9, -67 |
| Color Category | Dark |
| Color Family | Blue |
| Saturation | 100% |
| Temperature | Cool |
| Contrast Ratio Againt White (#ffffff) | 8.25 (passes WCAG AA) |
| Contrast Ratio Againt Black (#000000) | 2.54 (fails WCAG AA) |
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