Color

#583f5f

#583f5f
hex#583f5f
rgbrgb(88, 63, 95)
hslhsl(287, 20%, 31%)
oklchoklch(0.408 0.061 318.7)
Closest name: Haunted Candelabra (#57446a)Relative luminance 0.0646

Colors that go with #583f5f

Teal, Sea Green 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 →

#465f3f

#483f5f · #5f3f56

#5f583f · #3f5f58

Split-complementary

Open in tool →

#565f3f · #3f5f48

#5f483f · #465f3f · #3f565f

Contrast

#583f5f as textRatioAAAA largeAAAFix
Aaon white
9.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #8e6699 as the text (4.51:1)
  • AAA: use #a98bb1 as the text (7.01:1)
  • AA: or shift the background to #b8b8b8 (4.62:1)
  • AAA: or shift the background to #e3e3e3 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #583f5f 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 #583f5f
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 #583f5f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/583f5f-bd9fc1-abcb62-2d1f2a-ece9f1?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