Color

#401f56

#401f56
hex#401f56
rgbrgb(64, 31, 86)
hslhsl(276, 47%, 23%)
oklchoklch(0.313 0.099 309.5)
Closest name: Fading Horizon (#442266)Relative luminance 0.0274

Colors that go with #401f56

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 →

#35561f

#251f56 · #561f51

#56401f · #1f5640

Split-complementary

Open in tool →

#51561f · #1f5625

#56251f · #35561f · #1f5156

Contrast

#401f56 as textRatioAAAA largeAAAFix
Aaon white
13.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.55:1failfailfail
  • AA: use #995ac4 as the text (4.61:1)
  • AAA: use #b383d2 as the text (7.09:1)
  • AA: or shift the background to #969696 (4.59:1)
  • AAA: or shift the background to #bdbdbd (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #401f56 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

#401f56 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #401f56
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 #401f56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/401f56-b99cc4-bfcb62-2d1f2d-eae9f1?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