Color

#2e3a42

#2e3a42
hex#2e3a42
rgbrgb(46, 58, 66)
hslhsl(204, 18%, 22%)
oklchoklch(0.341 0.021 237.4)
Closest name: Artist’s Charcoal (#37393e)Relative luminance 0.04

Colors that go with #2e3a42

Amber, Blue and Blush Pink lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#42362e

#2e4240 · #2e3042

#422e3a · #3a422e

Split-complementary

Open in tool →

#422e30 · #42402e

#402e42 · #42362e · #30422e

Contrast

#2e3a42 as textRatioAAAA largeAAAFix
Aaon white
11.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #607a8a as the text (4.65:1)
  • AAA: use #849aa9 as the text (7.18:1)
  • AA: or shift the background to #a1a1a1 (4.52:1)
  • AAA: or shift the background to #c9c9c9 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e3a42 as the background.

Brands using this color

Fonts for this mood

#2e3a42 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e3a42
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #2e3a42 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e3a42-9cafc4-df4e5a-1f222d-e9f1f0?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md