ColorXprez

#3F4B4E

Charcoal · dark neutral

About #3F4B4E

With the hex code #3F4B4E, this is a dark gray with a near-neutral character. Its RGB recipe is 25% red, 29% green and 31% blue, while a printer would mix 19% cyan, 4% magenta, 0% yellow and 69% black. Being nearly neutral, it pairs easily with warm and cool tones alike.

If you had to name it, it is very close to Charcoal — a ΔE of 5.3 — followed by Graphite. For maximum hue contrast, pair it with its complement #4E423F, a graphite shade.

In design, a dark colour like this works best for headings, body text, footers and dark-mode backgrounds. White text reads best on it at 9.02:1 (a WCAG AAA pass). Used as a text colour on white, it is readable too (9.02:1).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red63
Green75
Blue78

Closest named colours

Charcoal
#36454F · ΔE 5.3
Graphite
#383838 · ΔE 9.1
Gunmetal
#2A3439 · ΔE 10.1

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

Text on #3F4B4E

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on charcoal #3F4B4E.
9.02:1AAA
Black heading text
Body copy set on charcoal #3F4B4E.
2.33:1Fail

Colour-blindness preview

How #3F4B4E appears to people with the three most common types of colour-vision deficiency.

Normal vision
#3F4B4E
Protanopia (no red cones)
#494A4E
Deuteranopia (no green cones)
#46484E
Tritanopia (no blue cones)
#3B4C4C

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #3F4B4E?

With the hex code #3F4B4E, this is a dark gray with a near-neutral character. Its RGB recipe is 25% red, 29% green and 31% blue, while a printer would mix 19% cyan, 4% magenta, 0% yellow and 69% black. Being nearly neutral, it pairs easily with warm and cool tones alike.

›What text colour should I use on #3F4B4E?

Use white text. White on #3F4B4E has a contrast ratio of 9.02:1 (AAA).

›What colours go with #3F4B4E?

Its complementary colour is #4E423F, and analogous partners are #3F4E4A and #3F444E.