ColorXprez

#283145

Gunmetal · dark cool blue

About #283145

#283145 is a muted, dark shade in the blue family. On screen it is built from 16% red, 19% green and 27% blue; for print, its CMYK mix is 42% cyan, 29% magenta, 0% yellow and 73% black. Its overall feel is cool.

Of the common colour names it is similar to Gunmetal (ΔE 10.4); Charcoal comes next. Its complementary colour, directly opposite on the colour wheel, is #453C28 — a espresso tone that gives the strongest contrast in hue.

Designers tend to use dark tones like #283145 for headings, body text, footers and dark-mode backgrounds. Put white text on top of it — 13.00:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (13.00:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red40
Green49
Blue69

Closest named colours

Gunmetal
#2A3439 · ΔE 10.4
Charcoal
#36454F · ΔE 11.3
Prussian Blue
#003153 · ΔE 11.5

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

Text on #283145

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on gunmetal #283145.
13.00:1AAA
Black heading text
Body copy set on gunmetal #283145.
1.62:1Fail

Colour-blindness preview

How #283145 appears to people with the three most common types of colour-vision deficiency.

Normal vision
#283145
Protanopia (no red cones)
#2A3246
Deuteranopia (no green cones)
#273045
Tritanopia (no blue cones)
#1F3538

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #283145?

#283145 is a muted, dark shade in the blue family. On screen it is built from 16% red, 19% green and 27% blue; for print, its CMYK mix is 42% cyan, 29% magenta, 0% yellow and 73% black. Its overall feel is cool.

›What text colour should I use on #283145?

Use white text. White on #283145 has a contrast ratio of 13.00:1 (AAA).

›What colours go with #283145?

Its complementary colour is #453C28, and analogous partners are #284045 and #2D2845.