ColorXprez

#3F4F4E

Charcoal · dark neutral

About #3F4F4E

#3F4F4E is a dark, near-neutral gray colour. Digitally that works out to 25% red, 31% green and 31% blue. In CMYK print terms it is 20% cyan, 0% magenta, 1% yellow and 69% black. Being nearly neutral, it pairs easily with warm and cool tones alike.

Visually it is similar to Charcoal (ΔE 8.2), with Graphite the next nearest named colour. Across the colour wheel sits #4F3F40 (graphite), 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 8.61:1 (a WCAG AAA pass). Used as a text colour on white, it is readable too (8.61:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red63
Green79
Blue78

Closest named colours

Charcoal
#36454F · ΔE 8.2
Graphite
#383838 · ΔE 11.0
Gunmetal
#2A3439 · ΔE 12.2

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

Text on #3F4F4E

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on charcoal #3F4F4E.
8.61:1AAA
Black heading text
Body copy set on charcoal #3F4F4E.
2.44:1Fail

Colour-blindness preview

How #3F4F4E appears to people with the three most common types of colour-vision deficiency.

Normal vision
#3F4F4E
Protanopia (no red cones)
#4D4D4E
Deuteranopia (no green cones)
#4A4B4E
Tritanopia (no blue cones)
#3A504F

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #3F4F4E?

#3F4F4E is a dark, near-neutral gray colour. Digitally that works out to 25% red, 31% green and 31% blue. In CMYK print terms it is 20% cyan, 0% magenta, 1% yellow and 69% black. Being nearly neutral, it pairs easily with warm and cool tones alike.

›What text colour should I use on #3F4F4E?

Use white text. White on #3F4F4E has a contrast ratio of 8.61:1 (AAA).

›What colours go with #3F4F4E?

Its complementary colour is #4F3F40, and analogous partners are #3F4F46 and #3F484F.