ColorXprez

#263E40

Gunmetal · dark cool teal

About #263E40

#263E40 is a muted, dark shade in the teal family. On screen it is built from 15% red, 24% green and 25% blue; for print, its CMYK mix is 41% cyan, 3% magenta, 0% yellow and 75% black. Its overall feel is cool.

Of the common colour names it is very close to Gunmetal (ΔE 6.8); Charcoal comes next. Its complementary colour, directly opposite on the colour wheel, is #402826 — a espresso tone that gives the strongest contrast in hue.

Designers tend to use dark tones like #263E40 for headings, body text, footers and dark-mode backgrounds. White text reads best on it at 11.38:1 (a WCAG AAA pass). Used as a text colour on white, it is readable too (11.38:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red38
Green62
Blue64

Closest named colours

Gunmetal
#2A3439 · ΔE 6.8
Charcoal
#36454F · ΔE 7.7
Graphite
#383838 · ΔE 9.7

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

Text on #263E40

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on gunmetal #263E40.
11.38:1AAA
Black heading text
Body copy set on gunmetal #263E40.
1.85:1Fail

Colour-blindness preview

How #263E40 appears to people with the three most common types of colour-vision deficiency.

Normal vision
#263E40
Protanopia (no red cones)
#3B3C40
Deuteranopia (no green cones)
#363940
Tritanopia (no blue cones)
#1C403F

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #263E40?

#263E40 is a muted, dark shade in the teal family. On screen it is built from 15% red, 24% green and 25% blue; for print, its CMYK mix is 41% cyan, 3% magenta, 0% yellow and 75% black. Its overall feel is cool.

›What text colour should I use on #263E40?

Use white text. White on #263E40 has a contrast ratio of 11.38:1 (AAA).

›What colours go with #263E40?

Its complementary colour is #402826, and analogous partners are #264035 and #263140.