BLUE

Dark Blue

#00008B
Conversions
HEX#00008B
RGBrgb(0, 0, 139)
HSLhsl(240, 100%, 27%)
HSVhsv(240, 100%, 55%)
CMYKcmyk(100%, 100%, 0%, 45%)
Copy CSS
color: #00008b; /* rgb */ color: rgb(0, 0, 139); /* hsl */ color: hsl(240, 100%, 27%);
Contrast
On white15.30 : 1
On ink black1.25 : 1

About Dark Blue

Dark Blue is the hex color #00008B, which translates to rgb(0, 0, 139) in RGB and hsl(240, 100%, 27%) in HSL. On the color wheel it sits at 240 degrees, with a saturation of 100 percent and a lightness of 27 percent. In the blue family, it reads as a deep shade.

Using Dark Blue in a design

Text placed directly on Dark Blue is most legible in white, which is why the swatch above uses it. For a full interface, pull light steps from the tint strip for backgrounds and dark steps from the shade strip for text and borders, keeping a single consistent hue throughout. Always confirm a given pair in the contrast checker before shipping.

Building a palette around Dark Blue

The pairings above give you three classic starting points. The complementary color sits opposite on the wheel and works well as an accent that draws the eye. The analogous colors sit right beside Dark Blue for calmer, harmonious combinations. The triadic pair spaces three hues evenly for a balanced, energetic palette. Open any swatch to explore it as its own color.

Full values for Dark Blue

  • HEX: #00008B
  • RGB: rgb(0, 0, 139)
  • HSL: hsl(240, 100%, 27%)
  • HSV: hsv(240, 100%, 55%)
  • CMYK: cmyk(100%, 100%, 0%, 45%)

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