Color

#6487aa

#6487aa
hex#6487aa
rgbrgb(100, 135, 170)
hslhsl(210, 29%, 53%)
oklchoklch(0.611 0.066 249)
Closest name: Bay View (#6a819e)Relative luminance 0.2294

Colors that go with #6487aa

Charcoal, Copper and Cobalt 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 →

#aa8764

#64aaaa · #6464aa

#aa6487 · #87aa64

Split-complementary

Open in tool →

#aa6464 · #aaaa64

#aa64aa · #aa8764 · #64aa64

Contrast

#6487aa as textRatioAAAA largeAAAFix
Aaon white
3.76:1failpassfail
  • AA: use #55789b as the text (4.62:1)
  • AAA: use #3f5973 as the text (7.27:1)
  • AA: or shift the background to #1c1c1c (4.53:1)
Aaon black
5.59:1passpassfail
  • AAA: use #7b99b7 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6487aa 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 #6487aa
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 #6487aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6487aa-9cabc4-df514e-1f202d-e9f1f1?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