Color

#b31ebe

#b31ebe
hex#b31ebe
rgbrgb(179, 30, 190)
hslhsl(296, 73%, 43%)
oklchoklch(0.555 0.242 324.9)
Closest name: Magentleman (#aa22bb)Relative luminance 0.1423

Tints & shades

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

Harmonies

Complementary

Open in tool →

#28be1e

#631ebe · #be1e78

#beb31e · #1ebeb3

Split-complementary

Open in tool →

#78be1e · #1ebe63

#be631e · #28be1e · #1e78be

Contrast

#b31ebe as textRatioAAAA largeAAAFix
Aaon white
5.46:1passpassfail
  • AAA: use #96199f as the text (7.15:1)
Aaon black
3.85:1failpassfail
  • AA: use #c821d4 as the text (4.62:1)
  • AAA: use #de65e7 as the text (7.12:1)
  • AA: or shift the background to #ebebeb (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b31ebe 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

#b31ebe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b31ebe
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 #b31ebe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b31ebe-c19fbf-9ccb62-2d1f28-ede9f1?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