Color

#583885

#583885
hex#583885
rgbrgb(88, 56, 133)
hslhsl(265, 41%, 37%)
oklchoklch(0.417 0.125 300.2)
Closest name: darkslateblue (#483d8b)Relative luminance 0.066

Colors that go with #583885

Charcoal, Royal Blue and Blue 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 →

#658538

#383e85 · #7f3885

#855838 · #388558

Split-complementary

Open in tool →

#857f38 · #3e8538

#85383e · #658538 · #38857f

Contrast

#583885 as textRatioAAAA largeAAAFix
Aaon white
9.05:1passpasspassPasses AAA — no fix needed.
Aaon black
2.32:1failfailfail
  • AA: use #8a64be as the text (4.65:1)
  • AAA: use #a588cd as the text (7:1)
  • AA: or shift the background to #b8b8b8 (4.56:1)
  • AAA: or shift the background to #e3e3e3 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #583885 as the background.

Brands using this color

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

Fonts for this mood

#583885 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #583885
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 #583885 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/583885-b19cc4-dfd54e-2b1f2d-e9eaf1?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