During the forging and heat-treating of steel, the color of heated steel is used to determine its temperature. Complete the following table, which shows the color of heat-treated steel and the corresponding approximate temperatures in degrees Celsius and Fahrenheit. (Round to three significant digits.)
$$
\begin{array}{lll}
\text { Color } & { }^{\circ} \mathrm{C} & { }^{\circ} \mathrm{F} \\
\hline \text { Pale blue } & 31 \overline{0} &
\end{array}
$$