Color

#5a1bee

#5a1bee
hex#5a1bee
rgbrgb(90, 27, 238)
hslhsl(258, 86%, 52%)
oklchoklch(0.484 0.271 283.1)
Closest name: Electric Indigo (#6600ff)Relative luminance 0.0913

Colors that go with #5a1bee

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 →

#afee1b

#1b45ee · #c41bee

#ee5a1b · #1bee5a

Split-complementary

Open in tool →

#eec41b · #45ee1b

#ee1b45 · #afee1b · #1beec4

Contrast

#5a1bee as textRatioAAAA largeAAAFix
Aaon white
7.43:1passpasspassPasses AAA — no fix needed.
Aaon black
2.83:1failfailfail
  • AA: use #8454f2 as the text (4.53:1)
  • AAA: use #a684f6 as the text (7.25:1)
  • AA: or shift the background to #cccccc (4.63:1)
  • AAA: or shift the background to #fafafa (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 #5a1bee 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

#5a1bee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5a1bee
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 #5a1bee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a1bee-ad9cc4-dfc44e-291f2d-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