Color

#817bd5

#817bd5
hex#817bd5
rgbrgb(129, 123, 213)
hslhsl(244, 52%, 66%)
oklchoklch(0.628 0.133 284.9)
Closest name: mediumpurple (#9370db)Relative luminance 0.2364

Colors that go with #817bd5

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 →

#cfd57b

#7ba2d5 · #ae7bd5

#d5817b · #7bd581

Split-complementary

Open in tool →

#d5ae7b · #a2d57b

#d57ba2 · #cfd57b · #7bd5ae

Contrast

#817bd5 as textRatioAAAA largeAAAFix
Aaon white
3.67:1failpassfail
  • AA: use #6f68cf as the text (4.61:1)
  • AAA: use #4d45c4 as the text (7.09:1)
  • AA: or shift the background to #1c1c1c (4.65:1)
Aaon black
5.73:1passpassfail
  • AAA: use #948fdc as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #817bd5 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

#817bd5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #817bd5
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 #817bd5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/817bd5-a39cc4-dfa24e-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