Color

#831aa2

#831aa2
hex#831aa2
rgbrgb(131, 26, 162)
hslhsl(286, 72%, 37%)
oklchoklch(0.461 0.206 316.6)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0817

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3aa21a

#3f1aa2 · #a21a7e

#a2831a · #1aa283

Split-complementary

Open in tool →

#7ea21a · #1aa23f

#a23f1a · #3aa21a · #1a7ea2

Contrast

#831aa2 as textRatioAAAA largeAAAFix
Aaon white
7.97:1passpasspassPasses AAA — no fix needed.
Aaon black
2.63:1failfailfail
  • AA: use #b735de as the text (4.58:1)
  • AAA: use #cd73e8 as the text (7.21:1)
  • AA: or shift the background to #c4c4c4 (4.57:1)
  • AAA: or shift the background to #f2f2f2 (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 #831aa2 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

#831aa2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #831aa2
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 #831aa2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/831aa2-bd9fc1-adcb62-2d1f2a-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