Color

#2e2839

#2e2839
hex#2e2839
rgbrgb(46, 40, 57)
hslhsl(261, 18%, 19%)
oklchoklch(0.291 0.032 300.6)
Closest name: Haiti (#2c2a35)Relative luminance 0.0239

Colors that go with #2e2839

Dark Olive Green, Sea Green and Sienna 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 →

#333928

#282a39 · #372839

#392e28 · #28392e

Split-complementary

Open in tool →

#393728 · #2a3928

#39282a · #333928 · #283937

Contrast

#2e2839 as textRatioAAAA largeAAAFix
Aaon white
14.2:1passpasspassPasses AAA — no fix needed.
Aaon black
1.48:1failfailfail
  • AA: use #7e6f9b as the text (4.63:1)
  • AAA: use #9c90b2 as the text (7.05:1)
  • AA: or shift the background to #919191 (4.51:1)
  • AAA: or shift the background to #b8b8b8 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e2839 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2e2839 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e2839
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 #2e2839 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e2839-af9cc4-dfcb4e-2a1f2d-e9eaf1?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