Heartbeat Color – #aa0000: Codes and Complete Breakdown
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The Heartbeat color hex code is #aa0000, and it is composed of 67% red, 0% green and 0% blue.
Heartbeat is a dark, vibrant, saturated, and warm color at 100% saturation. It has a contrast ratio of 7.75:1 against a white background, which passes WCAG AA (Web Content Accessibility Guidelines, Level AA) compliance.
For better visibility, it is recommended to use the Heartbeat color (#aa0000) against light backgrounds.

Heartbeat Color Shades
Complementary colors
Triadic colors
Tints or lighter colors
Darker colors
Analogous colors
Monochromatic colors
#aa0000
Heartbeat Color Codes and Information
Here’s a complete breakdown of the color Heartbeat, including its HEX, RGB, HSL, and CMYK values, as well as other information about the color.
| Data Type | Values/Details |
|---|---|
| Hex | #aa0000 |
| RGB | rgb(170,0,0) |
| HSL | hsl(0,100%,33.3%) |
| CMYK | 0, 100, 100, 33 |
| HSV | 0, 100, 67 |
| RGB % | 67, 0, 0 |
| XYZ | 16.6, 8.5, 0.8 |
| LAB | 35, 59.6, 48.9 |
| Color Category | Dark |
| Color Family | Red |
| Saturation | 100% |
| Temperature | Warm |
| Contrast Ratio Againt White (#ffffff) | 7.75 (passes WCAG AA) |
| Contrast Ratio Againt Black (#000000) | 2.71 (fails WCAG AA) |










