royalblue (Royal Blue) CSS Color Code (#4169E1)

royalblue

About Royal Blue

royalblue is an official CSS named color with the hexadecimal code value of #4169e1. It belongs to the browser-standard color set, meaning it is supported natively by all modern web browsers without requiring custom stylesheet variables.

While it may be tempting to include a space (like Royal Blue) when using this color name in CSS, remember that CSS color names cannot contain spaces. Instead, use 'royalblue' or #4169e1 (or any of the other color code formats listed on this page). It's fine to capitalize the letters (e.g., RoyalBlue) if you prefer this for better readability.

Perceptually, this shade resides at a Hue angle of 225°, a Saturation level of 73%, and a Lightness value of 57%. In the RGB model, it consists of 65 (Red), 105 (Green), and 225 (Blue).

With relative luminance computed at 0.167, this color pair fits best with white text for readability. It exhibits a contrast ratio of 4.85:1 against white and 4.33:1 against black.