#505A8A
Steel Blue · dark cool blue
About #505A8A
#505A8A is a moderately saturated, dark shade in the blue family. On screen it is built from 31% red, 35% green and 54% blue; for print, its CMYK mix is 42% cyan, 35% magenta, 0% yellow and 46% black. Its overall feel is cool.
Of the common colour names it is somewhere between Steel Blue and Prussian Blue (ΔE 19.1); Prussian Blue comes next. Its complementary colour, directly opposite on the colour wheel, is #8A8050 — a moss tone that gives the strongest contrast in hue.
Designers tend to use dark tones like #505A8A for headings, body text, footers and dark-mode backgrounds. White text reads best on it at 6.62:1 (a WCAG AA pass). Used as a text colour on white, it is readable too (6.62:1).
Colour codes
| HEX | |
|---|---|
| RGB | |
| HSL | |
| HSV / HSB | |
| CMYK | |
| CIELAB | |
| Decimal | |
| CSS |
Closest named colours
ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.
Text on #505A8A
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #505A8A appears to people with the three most common types of colour-vision deficiency.
Shades, tints & matching colours
Similar colours
Frequently asked questions
›What colour is #505A8A?
#505A8A is a moderately saturated, dark shade in the blue family. On screen it is built from 31% red, 35% green and 54% blue; for print, its CMYK mix is 42% cyan, 35% magenta, 0% yellow and 46% black. Its overall feel is cool.
›What text colour should I use on #505A8A?
Use white text. White on #505A8A has a contrast ratio of 6.62:1 (AA).
›What colours go with #505A8A?
Its complementary colour is #8A8050, and analogous partners are #50778A and #63508A.