Color

#580feb

#580feb
hex#580feb
rgbrgb(88, 15, 235)
hslhsl(260, 88%, 49%)
oklchoklch(0.473 0.273 283.2)
Closest name: Electric Indigo (#6600ff)Relative luminance 0.0841

Colors that go with #580feb

Charcoal, Denim and Cobalt 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 →

#a2eb0f

#0f34eb · #c60feb

#eb580f · #0feb58

Split-complementary

Open in tool →

#ebc60f · #34eb0f

#eb0f34 · #a2eb0f · #0febc6

Contrast

#580feb as textRatioAAAA largeAAAFix
Aaon white
7.83:1passpasspassPasses AAA — no fix needed.
Aaon black
2.68:1failfailfail
  • AA: use #8852f4 as the text (4.56:1)
  • AAA: use #a982f7 as the text (7.22:1)
  • AA: or shift the background to #c7c7c7 (4.63:1)
  • AAA: or shift the background to #f5f5f5 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #580feb 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

#580feb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #580feb
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 #580feb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/580feb-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