ColorXprez

#455E58

Dark Teal · dark cool teal

About #455E58

#455E58 is a muted, dark shade in the teal family. On screen it is built from 27% red, 37% green and 35% blue; for print, its CMYK mix is 27% cyan, 0% magenta, 6% yellow and 63% black. Its overall feel is cool.

Of the common colour names it is similar to Dark Teal (ΔE 14.3); Charcoal comes next. Its complementary colour, directly opposite on the colour wheel, is #5E454B — a eggplant tone that gives the strongest contrast in hue.

Designers tend to use dark tones like #455E58 for headings, body text, footers and dark-mode backgrounds. White text reads best on it at 7.01:1 (a WCAG AAA pass). Used as a text colour on white, it is readable too (7.01:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red69
Green94
Blue88

Closest named colours

Dark Teal
#014D4E · ΔE 14.3
Charcoal
#36454F · ΔE 14.7
Eucalyptus
#5F8575 · ΔE 16.3

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

Text on #455E58

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on dark teal #455E58.
7.01:1AAA
Black heading text
Body copy set on dark teal #455E58.
3.00:1Fail

Colour-blindness preview

How #455E58 appears to people with the three most common types of colour-vision deficiency.

Normal vision
#455E58
Protanopia (no red cones)
#5C5B58
Deuteranopia (no green cones)
#575858
Tritanopia (no blue cones)
#3E5F5C

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #455E58?

#455E58 is a muted, dark shade in the teal family. On screen it is built from 27% red, 37% green and 35% blue; for print, its CMYK mix is 27% cyan, 0% magenta, 6% yellow and 63% black. Its overall feel is cool.

›What text colour should I use on #455E58?

Use white text. White on #455E58 has a contrast ratio of 7.01:1 (AAA).

›What colours go with #455E58?

Its complementary colour is #5E454B, and analogous partners are #455E4B and #45585E.