Color

#810ccf

#810ccf
hex#810ccf
rgbrgb(129, 12, 207)
hslhsl(276, 89%, 43%)
oklchoklch(0.489 0.25 303.8)
Closest name: Lilac Spring (#8822cc)Relative luminance 0.0944

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5acf0c

#200ccf · #cf0cbc

#cf810c · #0ccf81

Split-complementary

Open in tool →

#bccf0c · #0ccf20

#cf200c · #5acf0c · #0cbccf

Contrast

#810ccf as textRatioAAAA largeAAAFix
Aaon white
7.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.89:1failfailfail
  • AA: use #a939f3 as the text (4.57:1)
  • AAA: use #c273f7 as the text (7.09:1)
  • AA: or shift the background to #cccccc (4.53:1)
  • AAA: or shift the background to #fcfcfc (7.09:1)

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

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

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

tool url/palettes/new/810ccf-b99cc4-bfcb62-2d1f2d-eae9f1?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