Color

#2d2140

#2d2140
hex#2d2140
rgbrgb(45, 33, 64)
hslhsl(263, 32%, 19%)
oklchoklch(0.278 0.057 300.6)
Closest name: Midnight Velvet (#2a2243)Relative luminance 0.0202

Colors that go with #2d2140

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 →

#344021

#212540 · #3c2140

#402d21 · #21402d

Split-complementary

Open in tool →

#403c21 · #254021

#402125 · #344021 · #21403c

Contrast

#2d2140 as textRatioAAAA largeAAAFix
Aaon white
14.97:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #8468b1 as the text (4.6:1)
  • AAA: use #a28dc4 as the text (7.14:1)
  • AA: or shift the background to #8f8f8f (4.63:1)
  • AAA: or shift the background to #b3b3b3 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d2140 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2d2140 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d2140
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 #2d2140 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d2140-b09cc4-dfd04e-2b1f2d-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