ColorXprez

#3F474F

Charcoal · dark neutral

About #3F474F

With the hex code #3F474F, this is a dark gray with a near-neutral character. Its RGB recipe is 25% red, 28% green and 31% blue, while a printer would mix 20% cyan, 10% magenta, 0% yellow and 69% black. It is close to neutral, so it sits comfortably next to both warm and cool colours.

If you had to name it, it is very close to Charcoal — a ΔE of 3.2 — followed by Graphite. For maximum hue contrast, pair it with its complement #4F473F, a umber shade.

In design, a dark colour like this works best for headings, body text, footers and dark-mode backgrounds. Put white text on top of it — 9.44:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (9.44:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red63
Green71
Blue79

Closest named colours

Charcoal
#36454F · ΔE 3.2
Graphite
#383838 · ΔE 8.6
Gunmetal
#2A3439 · ΔE 9.0

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

Text on #3F474F

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on charcoal #3F474F.
9.44:1AAA
Black heading text
Body copy set on charcoal #3F474F.
2.23:1Fail

Colour-blindness preview

How #3F474F appears to people with the three most common types of colour-vision deficiency.

Normal vision
#3F474F
Protanopia (no red cones)
#44474F
Deuteranopia (no green cones)
#42454F
Tritanopia (no blue cones)
#3B494A

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #3F474F?

With the hex code #3F474F, this is a dark gray with a near-neutral character. Its RGB recipe is 25% red, 28% green and 31% blue, while a printer would mix 20% cyan, 10% magenta, 0% yellow and 69% black. It is close to neutral, so it sits comfortably next to both warm and cool colours.

›What text colour should I use on #3F474F?

Use white text. White on #3F474F has a contrast ratio of 9.44:1 (AAA).

›What colours go with #3F474F?

Its complementary colour is #4F473F, and analogous partners are #3F4F4F and #3F3F4F.