Color

#2d1e33

#2d1e33
hex#2d1e33
rgbrgb(45, 30, 51)
hslhsl(283, 26%, 16%)
oklchoklch(0.263 0.043 316)
Closest name: Black Velvet (#222233)Relative luminance 0.0173

Colors that go with #2d1e33

Charcoal, Dark Olive Green and Sea Green 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 →

#24331e

#231e33 · #331e2f

#332d1e · #1e332d

Split-complementary

Open in tool →

#2f331e · #1e3323

#33231e · #24331e · #1e2f33

Contrast

#2d1e33 as textRatioAAAA largeAAAFix
Aaon white
15.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.35:1failfailfail
  • AA: use #9265a4 as the text (4.62:1)
  • AAA: use #ae8bbb as the text (7.21:1)
  • AA: or shift the background to #8a8a8a (4.52:1)
  • AAA: or shift the background to #b0b0b0 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d1e33 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2d1e33 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d1e33
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 #2d1e33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d1e33-bb9fc1-b2cb62-2d1f2b-ebe9f1?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