Color

#831e9f

#831e9f
hex#831e9f
rgbrgb(131, 30, 159)
hslhsl(287, 68%, 37%)
oklchoklch(0.462 0.2 317.4)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0826

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a9f1e

#431e9f · #9f1e7a

#9f831e · #1e9f83

Split-complementary

Open in tool →

#7a9f1e · #1e9f43

#9f431e · #3a9f1e · #1e7a9f

Contrast

#831e9f as textRatioAAAA largeAAAFix
Aaon white
7.92:1passpasspassPasses AAA — no fix needed.
Aaon black
2.65:1failfailfail
  • AA: use #b73ad9 as the text (4.62:1)
  • AAA: use #cb72e4 as the text (7.07:1)
  • AA: or shift the background to #c4c4c4 (4.54:1)
  • AAA: or shift the background to #f2f2f2 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #831e9f 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

#831e9f reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #831e9f
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 #831e9f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/831e9f-bd9fc1-abcb62-2d1f2a-ece9f1?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