Color

#431d44

#431d44
hex#431d44
rgbrgb(67, 29, 68)
hslhsl(298, 40%, 19%)
oklchoklch(0.302 0.083 326.4)
Closest name: Velvet Cosmos (#441144)Relative luminance 0.0249

Colors that go with #431d44

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 →

#1e441d

#2f1d44 · #441d32

#44431d · #1d4443

Split-complementary

Open in tool →

#32441d · #1d442f

#442f1d · #1e441d · #1d3244

Contrast

#431d44 as textRatioAAAA largeAAAFix
Aaon white
14.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #af4db3 as the text (4.54:1)
  • AAA: use #c57ec8 as the text (7.19:1)
  • AA: or shift the background to #949494 (4.62:1)
  • AAA: or shift the background to #b8b8b8 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #431d44 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#431d44 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #431d44
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 #431d44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/431d44-c19fbe-98cb62-2d1f28-ede9f1?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