Color

#583d6c

#583d6c
hex#583d6c
rgbrgb(88, 61, 108)
hslhsl(274, 28%, 33%)
oklchoklch(0.411 0.082 309.6)
Closest name: Drifting Violet (#5b4276)Relative luminance 0.0649

Colors that go with #583d6c

Blue, Crimson and Denim 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 →

#516c3d

#403d6c · #6c3d69

#6c573d · #3d6c57

Split-complementary

Open in tool →

#696c3d · #3d6c40

#6c403d · #516c3d · #3d696c

Contrast

#583d6c as textRatioAAAA largeAAAFix
Aaon white
9.13:1passpasspassPasses AAA — no fix needed.
Aaon black
2.3:1failfailfail
  • AA: use #8c66a9 as the text (4.59:1)
  • AAA: use #a98dbf as the text (7.25:1)
  • AA: or shift the background to #b8b8b8 (4.6:1)
  • AAA: or shift the background to #e3e3e3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #583d6c 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 #583d6c
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 #583d6c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/583d6c-b79cc4-c2cb62-2d1f2d-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