ColorXprez

#2D243E

Oxford Blue · very dark cool purple

About #2D243E

#2D243E is a muted, very dark shade in the purple family. On screen it is built from 18% red, 14% green and 24% blue; for print, its CMYK mix is 27% cyan, 42% magenta, 0% yellow and 76% black. Its overall feel is cool.

Of the common colour names it is similar to Oxford Blue (ΔE 13.4); Prussian Blue comes next. Its complementary colour, directly opposite on the colour wheel, is #353E24 — a dark green tone that gives the strongest contrast in hue.

Designers tend to use very dark tones like #2D243E for headings, body text, footers and dark-mode backgrounds. White text reads best on it at 14.65:1 (a WCAG AAA pass). Used as a text colour on white, it is readable too (14.65:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red45
Green36
Blue62

Closest named colours

Oxford Blue
#002147 · ΔE 13.4
Prussian Blue
#003153 · ΔE 15.3
Gunmetal
#2A3439 · ΔE 17.9

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

Text on #2D243E

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on oxford blue #2D243E.
14.65:1AAA
Black heading text
Body copy set on oxford blue #2D243E.
1.43:1Fail

Colour-blindness preview

How #2D243E appears to people with the three most common types of colour-vision deficiency.

Normal vision
#2D243E
Protanopia (no red cones)
#1E283F
Deuteranopia (no green cones)
#1F283D
Tritanopia (no blue cones)
#2A282E

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #2D243E?

#2D243E is a muted, very dark shade in the purple family. On screen it is built from 18% red, 14% green and 24% blue; for print, its CMYK mix is 27% cyan, 42% magenta, 0% yellow and 76% black. Its overall feel is cool.

›What text colour should I use on #2D243E?

Use white text. White on #2D243E has a contrast ratio of 14.65:1 (AAA).

›What colours go with #2D243E?

Its complementary colour is #353E24, and analogous partners are #24283E and #3A243E.