Color

#817dd4

#817dd4
hex#817dd4
rgbrgb(129, 125, 212)
hslhsl(243, 50%, 66%)
oklchoklch(0.631 0.129 284.2)
Closest name: mediumpurple (#9370db)Relative luminance 0.2409

Colors that go with #817dd4

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 →

#cfd47d

#7da4d4 · #ad7dd4

#d4817d · #7dd481

Split-complementary

Open in tool →

#d4ad7d · #a4d47d

#d47da4 · #cfd47d · #7dd4ad

Contrast

#817dd4 as textRatioAAAA largeAAAFix
Aaon white
3.61:1failpassfail
  • AA: use #6f6acd as the text (4.55:1)
  • AAA: use #4a44c1 as the text (7.27:1)
  • AA: or shift the background to #1f1f1f (4.57:1)
Aaon black
5.82:1passpassfail
  • AAA: use #9490da as the text (7.26:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #817dd4 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

#817dd4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #817dd4
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 #817dd4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/817dd4-a39cc4-dfa04e-261f2d-e9edf1?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