Color

#815fe7

#815fe7
hex#815fe7
rgbrgb(129, 95, 231)
hslhsl(255, 74%, 64%)
oklchoklch(0.59 0.197 290.6)
Closest name: mediumslateblue (#7b68ee)Relative luminance 0.1862

Colors that go with #815fe7

Charcoal, Amber and 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 →

#c5e75f

#5f81e7 · #c55fe7

#e7815f · #5fe781

Split-complementary

Open in tool →

#e7c55f · #81e75f

#e75f81 · #c5e75f · #5fe7c5

Contrast

#815fe7 as textRatioAAAA largeAAAFix
Aaon white
4.45:1failpassfail
  • AA: use #7e5be6 as the text (4.64:1)
  • AAA: use #5b2ee0 as the text (7.21:1)
  • AA: or shift the background to #080808 (4.51:1)
Aaon black
4.72:1passpassfail
  • AAA: use #a187ed as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #815fe7 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

#815fe7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #815fe7
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 #815fe7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/815fe7-ab9cc4-dfbd4e-291f2d-e9ebf1?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