Firmament Blue Color – #11353f: Codes and Complete Breakdown
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The Firmament Blue color hex code is #11353f, and it is composed of 7% red, 21% green and 25% blue.
Firmament Blue is a dark, bright, and cool color at 73% saturation. It has a contrast ratio of 13.09:1 against a white background, which passes WCAG AA (Web Content Accessibility Guidelines, Level AA) compliance.
For better visibility, it is recommended to use the Firmament Blue color (#11353f) against light backgrounds.

Firmament Blue Color Shades
Complementary colors
Triadic colors
Tints or lighter colors
Darker colors
Analogous colors
Monochromatic colors
#11353f
Firmament Blue Color Codes and Information
Here’s a complete breakdown of the color Firmament Blue, including its HEX, RGB, HSL, and CMYK values, as well as other information about the color.
| Data Type | Values/Details |
|---|---|
| Hex | #11353f |
| RGB | rgb(17,53,63) |
| HSL | hsl(193,57.5%,15.7%) |
| CMYK | 73, 16, 0, 75 |
| HSV | 193, 73, 25 |
| RGB % | 7, 21, 25 |
| XYZ | 2.4, 3, 5.2 |
| LAB | 20, -8.7, -10.4 |
| Color Category | Dark |
| Color Family | Blue |
| Saturation | 73% |
| Temperature | Cool |
| Contrast Ratio Againt White (#ffffff) | 13.09 (passes WCAG AA) |
| Contrast Ratio Againt Black (#000000) | 1.6 (fails WCAG AA) |
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