Color

#8181ee

#8181ee
hex#8181ee
rgbrgb(129, 129, 238)
hslhsl(240, 76%, 72%)
oklchoklch(0.653 0.159 281.1)
Closest name: Orchid (#7a81ff)Relative luminance 0.2654

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eeee81

#81b8ee · #b881ee

#ee8181 · #81ee81

Split-complementary

Open in tool →

#eeb881 · #b8ee81

#ee81b8 · #eeee81 · #81eeb8

Contrast

#8181ee as textRatioAAAA largeAAAFix
Aaon white
3.33:1failpassfail
  • AA: use #6666ea as the text (4.51:1)
  • AAA: use #3a3ae4 as the text (7.23:1)
  • AA: or shift the background to #262626 (4.55:1)
Aaon black
6.31:1passpassfail
  • AAA: use #8f8ff0 as the text (7.36:1)

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

#8181ee reads as cool, vivid, light. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/8181ee-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