Color

#6372ab

#6372ab
hex#6372ab
rgbrgb(99, 114, 171)
hslhsl(228, 30%, 53%)
oklchoklch(0.564 0.09 272)
Closest name: Loch Ness (#5f6db0)Relative luminance 0.1763

Colors that go with #6372ab

Charcoal, Sea Green 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 →

#ab9d63

#6396ab · #7963ab

#ab6372 · #72ab63

Split-complementary

Open in tool →

#ab7963 · #96ab63

#ab6396 · #ab9d63 · #63ab79

Contrast

#6372ab as textRatioAAAA largeAAAFix
Aaon white
4.64:1passpassfail
  • AAA: use #495688 as the text (7.07:1)
Aaon black
4.53:1passpassfail
  • AAA: use #8b96c1 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6372ab 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 #6372ab
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 #6372ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6372ab-9c9fc4-df7c4e-231f2d-e9eff1?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