Prussian blue color: hex codes, shades and palettes

Palettes built around prussian blue. Click any swatch to copy its hex code.

A very dark green-leaning blue. It takes its name from an eighteenth-century pigment and reads almost black until placed beside a true black.

Prussian blue hex, RGB, HSL and OKLCH

#16394F
HEX
#16394F
RGB
rgb(22, 57, 79)
HSL
hsl(203, 56%, 20%)
OKLCH
oklch(33.0% 0.056 239.2)
On white
12.12:1
On black
1.73:1

Shades of prussian blue

Eleven steps from one base color, generated in OKLCH so each step is an equal perceived step rather than an equal numeric one. Click a swatch to copy it.

Contrast and readability

Prussian blue on white measures 12.12:1 and on black 1.73:1. WCAG AA asks for 4.5:1 on normal text and 3:1 on large text and UI components, so the higher of those two decides which background it belongs on. In the scale above, 500 is the first to clear 4.5:1 on white, at 5.24:1.

The contrast checker reports every level for a given pair and suggests the nearest passing shade on the same hue. The color picker builds this same scale from any color you paste in.

Related colors:blue, navy, royal blue, cobalt, periwinkle, transparent blue. See every shade on the colors index.