Royal Neptune Color – #1c3b42: Codes and Complete Breakdown
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The Royal Neptune color hex code is #1c3b42, and it is composed of 11% red, 23% green and 26% blue.
Royal Neptune is a dark, muted, and cool color at 58% saturation. It has a contrast ratio of 11.98:1 against a white background, which passes WCAG AA (Web Content Accessibility Guidelines, Level AA) compliance.
For better visibility, it is recommended to use the Royal Neptune color (#1c3b42) against light backgrounds.

Royal Neptune Color Shades
Complementary colors
Triadic colors
Tints or lighter colors
Darker colors
Analogous colors
Monochromatic colors
#1c3b42
Royal Neptune Color Codes and Information
Here’s a complete breakdown of the color Royal Neptune, including its HEX, RGB, HSL, and CMYK values, as well as other information about the color.
| Data Type | Values/Details |
|---|---|
| Hex | #1c3b42 |
| RGB | rgb(28,59,66) |
| HSL | hsl(191,40.4%,18.4%) |
| CMYK | 58, 11, 0, 74 |
| HSV | 191, 58, 26 |
| RGB % | 11, 23, 26 |
| XYZ | 3, 3.8, 5.7 |
| LAB | 23, -10.1, -7.6 |
| Color Category | Dark |
| Color Family | Blue |
| Saturation | 58% |
| Temperature | Cool |
| Contrast Ratio Againt White (#ffffff) | 11.98 (passes WCAG AA) |
| Contrast Ratio Againt Black (#000000) | 1.75 (fails WCAG AA) |
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