Color

#580ff5

#580ff5
hex#580ff5
rgbrgb(88, 15, 245)
hslhsl(259, 92%, 51%)
oklchoklch(0.484 0.283 281.9)
Closest name: Electric Indigo (#6600ff)Relative luminance 0.0901

Colors that go with #580ff5

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 →

#acf50f

#0f39f5 · #cb0ff5

#f5580f · #0ff558

Split-complementary

Open in tool →

#f5cb0f · #39f50f

#f50f39 · #acf50f · #0ff5cb

Contrast

#580ff5 as textRatioAAAA largeAAAFix
Aaon white
7.5:1passpasspassPasses AAA — no fix needed.
Aaon black
2.8:1failfailfail
  • AA: use #8854f8 as the text (4.67:1)
  • AAA: use #a680fa as the text (7.09:1)
  • AA: or shift the background to #c9c9c9 (4.53:1)
  • AAA: or shift the background to #fafafa (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 #580ff5 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

#580ff5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #580ff5
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 #580ff5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/580ff5-ad9cc4-dfc74e-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