Search for a name or a RGB value RRR,GGG,BBB or a Hex value #rrggbb

CSS notation

Use this for all CSS properties that accept a color as a value: color, background-color, border-color
#003399
#039
rgb(0,51,153)
hsl(220, 100%, 30%)

Color spaces

Names and values for each color representation
HSL
Hue220°
Saturation100%
Lightness30%
HSV / HSB
Hue220°
Saturation100%
Value / Brightness60%
RGB
Red0%
Green20%
Blue60%
CMYK
Cyan100%
Magenta66.67%
Yellow0%
Black40%
YCbCr
Y0.19
Cb0.23
Cr-0.13

Nearest Colors Name

Most similar colors in standard

Color Harmonies

Schemes of colors that work well together
Complementary Harmony Color Scheme of #003399

Complementary

Create the strongest contrast.
Triad Harmony Color Scheme of #003399

Triad

Let one color dominate and use the other two for the accent.
Square Harmony Color Scheme of #003399

Square

Balance between warm and cool colors.
Adjacent Harmony Color Scheme of #003399

Adjacent / Analogous / Analogic

Pleasing and harmonious to the eye, they can be found in nature.
Split Complementary Harmony Color Scheme of #003399

Split Complementary

Low tension, strong visual contrast.
Rectangle Tetradic Harmony Color Scheme of #003399

Rectangle / Tetradic

Two complementary pairs for a total of four colors.

Tints, Shades, and Tones

Tints of color #003399

Tints

A tint is obtained by adding white to a color. This process reduces darkness.
Shades of color #003399

Shades

A shade is obtained by adding black to a color. This process increases darkness.
Tones of color #003399

Tones

A tone is produced either by mixing a color with grey, or by both tinting and shading.