Color

#873cd3

#873cd3
hex#873cd3
rgbrgb(135, 60, 211)
hslhsl(270, 63%, 53%)
oklchoklch(0.534 0.219 302.1)
Closest name: blueviolet (#8a2be2)Relative luminance 0.1309

Tints & shades

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

Harmonies

Complementary

Open in tool →

#87d33c

#3c3cd3 · #d33cd3

#d3873c · #3cd387

Split-complementary

Open in tool →

#d3d33c · #3cd33c

#d33c3c · #87d33c · #3cd3d3

Contrast

#873cd3 as textRatioAAAA largeAAAFix
Aaon white
5.81:1passpassfail
  • AAA: use #782cc3 as the text (7.13:1)
Aaon black
3.62:1failpassfail
  • AA: use #9655d8 as the text (4.59:1)
  • AAA: use #b382e3 as the text (7.22:1)
  • AA: or shift the background to #e3e3e3 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #873cd3 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

#873cd3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #873cd3
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 #873cd3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/873cd3-b59cc4-c9cb62-2c1f2d-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