rgb(51,0,0) / #330000

#330000
rgb(51,0,0)
hsl(0,100%,10%)
cmyk(0,100,100,80)

Color Shades in HSL model

Color Hue Range

S (Saturation) === 0, in this case we cannot get
H (Hue) range. Cause it should be the same color, due to HSL color system.
+/- 25 grad shift for H(Hue) color axis in HSL color model.

Color Saturation Range

+/- 10% shift for S(Saturation) color axis in HSL color model

Color Lightness Range

+/- 10% shift for L(lightness) color axis in HSL color model.

Color Shades in RGB model range

Color shades in Red range

+/- 30 points shift for R(Red) color axis.

Color shades in Green range

+/- 30 points shift for G(Green) color axis.

Color shades in Blue range

+/- 30 points shift for B(Blue) color axis.

Color Shades in CMYK model range

Color shades in Cyan range

+/- 10 percent shift for C(Cyan) color axis.

Color shades in Magenta range

+/- 10 percent shift for M(Magenta) color axis.

Color shades in Yellow range

+/- 10 percent shift for Y(Yellow) color axis.

Color shades in Black range

+/- 10 percent shift for B(Black) color axis.

Color HTML/CSS(CSS3) Example

Color rgb(51,0,0) usage in CSS

.bg-rgb-color { background-color: rgb(51,0,0); }
.text-rgb-color { color: rgb(51,0,0); }
.border-rgb-color { border: 1px solid rgb(51,0,0); }
.text-shadow-rgb-color { text-shadow: 10px 10px 5px rgb(51,0,0); }
.box-shadow-rgb-color { box-shadow: 10px 10px 5px rgb(51,0,0); }


Color #330000 usage in CSS

.bg-rgb-color { background-color: #330000; }
.text-rgb-color { color: #330000; }
.border-rgb-color { border: 1px solid #330000; }
.text-shadow-rgb-color {text-shadow: 10px 10px 5px #330000; }
.box-shadow-rgb-color {box-shadow: 10px 10px 5px #330000; }


Color hsl(0,100%,10%) usage in CSS

.bg-rgb-color { background-color: hsl(0,100%,10%); }
.text-rgb-color { color: hsl(0,100%,10%); }
.border-rgb-color { border: 1px solid hsl(0,100%,10%); }
.text-shadow-rgb-color { text-shadow: 10px 10px 5px hsl(0,100%,10%); }
.box-shadow-rgb-color { box-shadow: 10px 10px 5px hsl(0,100%,10%); }