Color

#b351ec

#b351ec
hex#b351ec
rgbrgb(179, 81, 236)
hslhsl(278, 80%, 62%)
oklchoklch(0.627 0.229 310.5)
Closest name: Orion Nebula (#a55af4)Relative luminance 0.2152

Tints & shades

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

Harmonies

Complementary

Open in tool →

#89ec51

#6551ec · #ec51d7

#ecb351 · #51ecb3

Split-complementary

Open in tool →

#d7ec51 · #51ec65

#ec6551 · #89ec51 · #51d7ec

Contrast

#b351ec as textRatioAAAA largeAAAFix
Aaon white
3.96:1failpassfail
  • AA: use #ab3eea as the text (4.56:1)
  • AAA: use #8516c5 as the text (7.2:1)
  • AA: or shift the background to #171717 (4.53:1)
Aaon black
5.3:1passpassfail
  • AAA: use #c375f0 as the text (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 #b351ec 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

#b351ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b351ec
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b351ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b351ec-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