Color

#838aaa

#838aaa
hex#838aaa
rgbrgb(131, 138, 170)
hslhsl(229, 19%, 59%)
oklchoklch(0.639 0.049 275.3)
Closest name: Galactic Gossamer (#7f8cb8)Relative luminance 0.259

Colors that go with #838aaa

Charcoal, Copper and Dark Goldenrod 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.

Real palettes that use #838aaa

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#aaa383

#839eaa · #8f83aa

#aa838a · #8aaa83

Split-complementary

Open in tool →

#aa8f83 · #9eaa83

#aa839e · #aaa383 · #83aa8f

Contrast

#838aaa as textRatioAAAA largeAAAFix
Aaon white
3.4:1failpassfail
  • AA: use #6a739a as the text (4.63:1)
  • AAA: use #515776 as the text (7.06:1)
  • AA: or shift the background to #242424 (4.57:1)
Aaon black
6.18:1passpassfail
  • AAA: use #8f95b3 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #838aaa as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #838aaa
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 #838aaa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/838aaa-9c9fc4-df7e4e-231f2d-e9eef1?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