Color

#815d8e

#815d8e
hex#815d8e
rgbrgb(129, 93, 142)
hslhsl(284, 21%, 46%)
oklchoklch(0.534 0.086 316.8)
Closest name: Muted Purple (#805b87)Relative luminance 0.1445

Colors that go with #815d8e

Charcoal, Sea Green and Midnight Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6a8e5d

#685d8e · #8e5d82

#8e815d · #5d8e81

Split-complementary

Open in tool →

#828e5d · #5d8e68

#8e685d · #6a8e5d · #5d828e

Contrast

#815d8e as textRatioAAAA largeAAAFix
Aaon white
5.4:1passpassfail
  • AAA: use #6a4d75 as the text (7.16:1)
Aaon black
3.89:1failpassfail
  • AA: use #8e689c as the text (4.61:1)
  • AAA: use #aa8db4 as the text (7.18:1)
  • AA: or shift the background to #ebebeb (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #815d8e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #815d8e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #815d8e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/815d8e-bc9fc1-b1cb62-2d1f2b-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