Color

#b155e7

#b155e7
hex#b155e7
rgbrgb(177, 85, 231)
hslhsl(278, 75%, 62%)
oklchoklch(0.627 0.219 310.6)
Closest name: Orion Nebula (#a55af4)Relative luminance 0.2161

Colors that go with #b155e7

Olive Drab, Sea Green and Charcoal 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 →

#8be755

#6955e7 · #e755d3

#e7b155 · #55e7b1

Split-complementary

Open in tool →

#d3e755 · #55e769

#e76955 · #8be755 · #55d3e7

Contrast

#b155e7 as textRatioAAAA largeAAAFix
Aaon white
3.95:1failpassfail
  • AA: use #a944e4 as the text (4.53:1)
  • AAA: use #871cc4 as the text (7.02:1)
  • AA: or shift the background to #171717 (4.54:1)
Aaon black
5.32:1passpassfail
  • AAA: use #c279ec as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b155e7 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

#b155e7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b155e7
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 #b155e7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b155e7-ba9cc4-bbcb62-2d1f2c-ebe9f1?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