Color

#4b4370

#4b4370
hex#4b4370
rgbrgb(75, 67, 112)
hslhsl(251, 25%, 35%)
oklchoklch(0.412 0.074 290.9)
Closest name: Haunted Candelabra (#57446a)Relative luminance 0.0668

Colors that go with #4b4370

Steel Blue, Blue and Copper 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 →

#677043

#435170 · #614370

#704b43 · #43704b

Split-complementary

Open in tool →

#706143 · #517043

#704351 · #677043 · #437061

Contrast

#4b4370 as textRatioAAAA largeAAAFix
Aaon white
8.99:1passpasspassPasses AAA — no fix needed.
Aaon black
2.34:1failfailfail
  • AA: use #7a70a9 as the text (4.72:1)
  • AAA: use #9b93be as the text (7.31:1)
  • AA: or shift the background to #b8b8b8 (4.53:1)
  • AAA: or shift the background to #e3e3e3 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4b4370 as the background.

Brands using this color

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

mcpConnect your agent — build around #4b4370
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 #4b4370 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4b4370-a89cc4-dfb34e-281f2d-e9ecf1?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