Blue color

Cobalt #0047AB

#0047AB · rgb(0, 71, 171)

Cobalt is the color #0047AB. In RGB it is rgb(0, 71, 171) — 0% red, 28% green and 67% blue. Its CMYK breakdown is 100% cyan, 58% magenta, 0% yellow and 33% black, and in HSL it sits at 215° hue, 100% saturation and 34% lightness. Cobalt is not a standard CSS color name; the nearest web color is Dark Slate Blue (#483D8B). The closest web-safe color is #003399.

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Cobalt color codes

Hex#0047AB
RGBrgb(0, 71, 171)
RGB %0%, 28%, 67%
HSLhsl(215, 100%, 34%)
HSV / HSBhsv(215, 100%, 67%)
CMYKcmyk(100%, 58%, 0%, 33%)
OKLCHoklch(43% 0.172 260)
Closest web-safe#003399

Contrast

Contrast ratio of Cobalt against white and black text (WCAG 2.1 needs 4.5:1 for body text).

White text — 8.44:1 Black text — 2.49:1

Shades, tints & tones

Shades — toward black
Tints — toward white
Tones — toward gray

Color harmonies

Complementary
Analogous
Split-complementary
Triadic
Tetradic
Square
Rainbow

Colors similar to Cobalt

Sapphire#0F52BACerulean#2A52BEDenim#1560BDDark Slate Blue#483D8BMedium Blue#0000CDRebecca Purple#663399