Color

#810bb7

#810bb7
hex#810bb7
rgbrgb(129, 11, 183)
hslhsl(281, 89%, 38%)
oklchoklch(0.468 0.231 310)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0833

Tints & shades

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

Harmonies

Complementary

Open in tool →

#41b70b

#2a0bb7 · #b70b98

#b7810b · #0bb781

Split-complementary

Open in tool →

#98b70b · #0bb72a

#b72a0b · #41b70b · #0b98b7

Contrast

#810bb7 as textRatioAAAA largeAAAFix
Aaon white
7.88:1passpasspassPasses AAA — no fix needed.
Aaon black
2.67:1failfailfail
  • AA: use #b32bf3 as the text (4.56:1)
  • AAA: use #cb6ef7 as the text (7.11:1)
  • AA: or shift the background to #c4c4c4 (4.52:1)
  • AAA: or shift the background to #f2f2f2 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #810bb7 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

#810bb7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #810bb7
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 #810bb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/810bb7-ba9fc1-b6cb62-2d1f2c-ebe9f1?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