Color

#b558ee

#b558ee
hex#b558ee
rgbrgb(181, 88, 238)
hslhsl(277, 82%, 64%)
oklchoklch(0.639 0.223 310.1)
Closest name: Orion Nebula (#a55af4)Relative luminance 0.2298

Colors that go with #b558ee

Olive Drab, Dark Goldenrod and Medium Sea Green 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.

Real palettes that use #b558ee

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#92ee58

#6958ee · #ee58dd

#eeb558 · #58eeb5

Split-complementary

Open in tool →

#ddee58 · #58ee69

#ee6958 · #92ee58 · #58ddee

Contrast

#b558ee as textRatioAAAA largeAAAFix
Aaon white
3.75:1failpassfail
  • AA: use #a83cec as the text (4.64:1)
  • AAA: use #8614cc as the text (7.03:1)
  • AA: or shift the background to #1c1c1c (4.54:1)
Aaon black
5.6:1passpassfail
  • AAA: use #c174f1 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b558ee 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

#b558ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b558ee
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 #b558ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b558ee-b99cc4-bdcb62-2d1f2c-eae9f1?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