Color

#4f548c

#4f548c
hex#4f548c
rgbrgb(79, 84, 140)
hslhsl(235, 28%, 43%)
oklchoklch(0.468 0.09 278.4)
Closest name: Dusk (#4e5481)Relative luminance 0.099

Colors that go with #4f548c

Charcoal, Steel Blue and Amber 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.

Real palettes that use #4f548c

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8c874f

#4f738c · #694f8c

#8c4f54 · #548c4f

Split-complementary

Open in tool →

#8c694f · #738c4f

#8c4f73 · #8c874f · #4f8c69

Contrast

#4f548c as textRatioAAAA largeAAAFix
Aaon white
7.05:1passpasspassPasses AAA — no fix needed.
Aaon black
2.98:1failfailfail
  • AA: use #6c71ac as the text (4.6:1)
  • AAA: use #9094c1 as the text (7.19:1)
  • AA: or shift the background to #cfcfcf (4.52:1)
  • AAA: or shift the background to #ffffff (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f548c 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 #4f548c
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 #4f548c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f548c-9e9cc4-df8d4e-241f2d-e9eef1?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