ColorXprez

#3F4E4B

Charcoal · dark neutral

About #3F4E4B

With the hex code #3F4E4B, this is a dark gray with a near-neutral character. Its RGB recipe is 25% red, 31% green and 29% blue, while a printer would mix 19% cyan, 0% magenta, 4% 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 similar to Charcoal — a ΔE of 9.1 — followed by Graphite. For maximum hue contrast, pair it with its complement #4E3F42, a graphite 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 — 8.74:1, a WCAG AAA pass. Used as a text colour on white, it is readable too (8.74:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red63
Green78
Blue75

Closest named colours

Charcoal
#36454F · ΔE 9.1
Graphite
#383838 · ΔE 10.6
Gunmetal
#2A3439 · ΔE 12.3

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

Text on #3F4E4B

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on charcoal #3F4E4B.
8.74:1AAA
Black heading text
Body copy set on charcoal #3F4E4B.
2.40:1Fail

Colour-blindness preview

How #3F4E4B appears to people with the three most common types of colour-vision deficiency.

Normal vision
#3F4E4B
Protanopia (no red cones)
#4D4C4B
Deuteranopia (no green cones)
#4A4A4B
Tritanopia (no blue cones)
#3B4F4D

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #3F4E4B?

With the hex code #3F4E4B, this is a dark gray with a near-neutral character. Its RGB recipe is 25% red, 31% green and 29% blue, while a printer would mix 19% cyan, 0% magenta, 4% 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 #3F4E4B?

Use white text. White on #3F4E4B has a contrast ratio of 8.74:1 (AAA).

›What colours go with #3F4E4B?

Its complementary colour is #4E3F42, and analogous partners are #3F4E44 and #3F4A4E.