ColorXprez

#2F2F48

Prussian Blue · dark cool blue

About #2F2F48

#2F2F48 is a dark, muted blue colour. Digitally that works out to 18% red, 18% green and 28% blue. In CMYK print terms it is 35% cyan, 35% magenta, 0% yellow and 72% black. Most people will perceive it as cool.

Visually it is similar to Prussian Blue (ΔE 12.0), with Oxford Blue the next nearest named colour. Across the colour wheel sits #48482F (umber), its complementary partner.

Because it is dark, it is most useful for headings, body text, footers and dark-mode backgrounds. White text reads best on it at 12.95:1 (a WCAG AAA pass). Used as a text colour on white, it is readable too (12.95:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red47
Green47
Blue72

Closest named colours

Prussian Blue
#003153 · ΔE 12.0
Oxford Blue
#002147 · ΔE 13.8
Gunmetal
#2A3439 · ΔE 14.7

ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.

Text on #2F2F48

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on prussian blue #2F2F48.
12.95:1AAA
Black heading text
Body copy set on prussian blue #2F2F48.
1.62:1Fail

Colour-blindness preview

How #2F2F48 appears to people with the three most common types of colour-vision deficiency.

Normal vision
#2F2F48
Protanopia (no red cones)
#283249
Deuteranopia (no green cones)
#273147
Tritanopia (no blue cones)
#293438

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #2F2F48?

#2F2F48 is a dark, muted blue colour. Digitally that works out to 18% red, 18% green and 28% blue. In CMYK print terms it is 35% cyan, 35% magenta, 0% yellow and 72% black. Most people will perceive it as cool.

›What text colour should I use on #2F2F48?

Use white text. White on #2F2F48 has a contrast ratio of 12.95:1 (AAA).

›What colours go with #2F2F48?

Its complementary colour is #48482F, and analogous partners are #2F3B48 and #3B2F48.