Color

#583acf

#583acf
hex#583acf
rgbrgb(88, 58, 207)
hslhsl(252, 61%, 52%)
oklchoklch(0.481 0.215 284.1)
Closest name: Blurple (#5539cc)Relative luminance 0.0961

Colors that go with #583acf

Crimson, Royal Blue and Slate Gray 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 →

#b1cf3a

#3a67cf · #a23acf

#cf583a · #3acf58

Split-complementary

Open in tool →

#cfa23a · #67cf3a

#cf3a67 · #b1cf3a · #3acfa2

Contrast

#583acf as textRatioAAAA largeAAAFix
Aaon white
7.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.92:1failfailfail
  • AA: use #7b63d9 as the text (4.63:1)
  • AAA: use #9d8ce3 as the text (7.29:1)
  • AA: or shift the background to #cfcfcf (4.61:1)
  • AAA: or shift the background to #fcfcfc (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #583acf 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

#583acf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #583acf
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 #583acf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/583acf-a99cc4-dfb64e-281f2d-e9ecf1?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