ColorXprez

#415366

Charcoal · dark cool blue

About #415366

#415366 is a dark, muted blue colour. Digitally that works out to 25% red, 33% green and 40% blue. In CMYK print terms it is 36% cyan, 19% magenta, 0% yellow and 60% black. Most people will perceive it as cool.

Visually it is similar to Charcoal (ΔE 8.2), with Gunmetal the next nearest named colour. Across the colour wheel sits #665441 (umber), its complementary partner.

Because it is dark, it is most useful for headings, body text, footers and dark-mode backgrounds. White text reads best on it at 7.91:1 (a WCAG AAA pass). Used as a text colour on white, it is readable too (7.91:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red65
Green83
Blue102

Closest named colours

Charcoal
#36454F · ΔE 8.2
Gunmetal
#2A3439 · ΔE 16.1
Graphite
#383838 · ΔE 17.3

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

Text on #415366

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on charcoal #415366.
7.91:1AAA
Black heading text
Body copy set on charcoal #415366.
2.65:1Fail

Colour-blindness preview

How #415366 appears to people with the three most common types of colour-vision deficiency.

Normal vision
#415366
Protanopia (no red cones)
#4C5367
Deuteranopia (no green cones)
#475066
Tritanopia (no blue cones)
#355759

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #415366?

#415366 is a dark, muted blue colour. Digitally that works out to 25% red, 33% green and 40% blue. In CMYK print terms it is 36% cyan, 19% magenta, 0% yellow and 60% black. Most people will perceive it as cool.

›What text colour should I use on #415366?

Use white text. White on #415366 has a contrast ratio of 7.91:1 (AAA).

›What colours go with #415366?

Its complementary colour is #665441, and analogous partners are #416566 and #424166.