Color

#837dca

#837dca
hex#837dca
rgbrgb(131, 125, 202)
hslhsl(245, 42%, 64%)
oklchoklch(0.627 0.114 286.2)
Closest name: Magic Carpet (#9488be)Relative luminance 0.2376

Colors that go with #837dca

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 →

#c3ca7d

#7d9dca · #aa7dca

#ca837d · #7dca83

Split-complementary

Open in tool →

#caaa7d · #9dca7d

#ca7d9d · #c3ca7d · #7dcaaa

Contrast

#837dca as textRatioAAAA largeAAAFix
Aaon white
3.65:1failpassfail
  • AA: use #726bc2 as the text (4.57:1)
  • AAA: use #5148b1 as the text (7.21:1)
  • AA: or shift the background to #1f1f1f (4.51:1)
Aaon black
5.75:1passpassfail
  • AAA: use #948fd1 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #837dca 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

#837dca reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #837dca
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 #837dca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/837dca-a49cc4-dfa54e-261f2d-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