Color

#817bb2

#817bb2
hex#817bb2
rgbrgb(129, 123, 178)
hslhsl(247, 26%, 59%)
oklchoklch(0.61 0.083 288.7)
Closest name: Aster (#867ba9)Relative luminance 0.2205

Colors that go with #817bb2

Charcoal, Copper and Amber 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 →

#abb27b

#7b90b2 · #9d7bb2

#b2827b · #7bb282

Split-complementary

Open in tool →

#b29d7b · #90b27b

#b27b90 · #abb27b · #7bb29d

Contrast

#817bb2 as textRatioAAAA largeAAAFix
Aaon white
3.88:1failpassfail
  • AA: use #756eaa as the text (4.6:1)
  • AAA: use #58518a as the text (7.1:1)
  • AA: or shift the background to #171717 (4.62:1)
Aaon black
5.41:1passpassfail
  • AAA: use #9792bf as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #817bb2 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 #817bb2
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 #817bb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/817bb2-a59cc4-dfaa4e-271f2d-e9ecf1?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