Color

#4f406d

#4f406d
hex#4f406d
rgbrgb(79, 64, 109)
hslhsl(260, 26%, 34%)
oklchoklch(0.407 0.075 298.3)
Closest name: Haunted Candelabra (#57446a)Relative luminance 0.0643

Colors that go with #4f406d

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 →

#5e6d40

#40486d · #66406d

#6d4f40 · #406d4f

Split-complementary

Open in tool →

#6d6640 · #486d40

#6d4048 · #5e6d40 · #406d66

Contrast

#4f406d as textRatioAAAA largeAAAFix
Aaon white
9.18:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #806ba8 as the text (4.59:1)
  • AAA: use #9e8fbd as the text (7.12:1)
  • AA: or shift the background to #b8b8b8 (4.63:1)
  • AAA: or shift the background to #e3e3e3 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f406d 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 #4f406d
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 #4f406d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f406d-ae9cc4-dfc94e-2a1f2d-e9ebf1?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