The hexadecimal color code #37a5d7 is a shade of cyan. In the RGB color model #37a5d7 is comprised of 21.57% red, 64.71% green and 84.31% blue. In the HSL color space #37a5d7 has a hue of 199° (degrees), 67% saturation and 53% lightness. This color has an approximate wavelength of 481.74 nm.