Color

#8181cf

#8181cf
hex#8181cf
rgbrgb(129, 129, 207)
hslhsl(240, 45%, 66%)
oklchoklch(0.636 0.116 282.6)
Closest name: Magic Carpet (#9488be)Relative luminance 0.2487

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cfcf81

#81a8cf · #a881cf

#cf8181 · #81cf81

Split-complementary

Open in tool →

#cfa881 · #a8cf81

#cf81a8 · #cfcf81 · #81cfa8

Contrast

#8181cf as textRatioAAAA largeAAAFix
Aaon white
3.51:1failpassfail
  • AA: use #6b6bc7 as the text (4.61:1)
  • AAA: use #4a4aba as the text (7.05:1)
  • AA: or shift the background to #212121 (4.58:1)
Aaon black
5.97:1passpassfail
  • AAA: use #9090d5 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8181cf 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

#8181cf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8181cf
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 #8181cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8181cf-a19cc4-df994e-251f2d-e9edf1?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