Color

#837eb4

#837eb4
hex#837eb4
rgbrgb(131, 126, 180)
hslhsl(246, 26%, 60%)
oklchoklch(0.618 0.081 288)
Closest name: Aster (#867ba9)Relative luminance 0.2304

Colors that go with #837eb4

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 →

#aeb47e

#7e94b4 · #9e7eb4

#b4847e · #7eb484

Split-complementary

Open in tool →

#b49e7e · #94b47e

#b47e94 · #aeb47e · #7eb49e

Contrast

#837eb4 as textRatioAAAA largeAAAFix
Aaon white
3.74:1failpassfail
  • AA: use #746eaa as the text (4.61:1)
  • AAA: use #57518a as the text (7.12:1)
  • AA: or shift the background to #1c1c1c (4.55:1)
Aaon black
5.61:1passpassfail
  • AAA: use #9692bf as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #837eb4 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 #837eb4
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 #837eb4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/837eb4-a59cc4-dfa74e-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