Color

#7381ab

#7381ab
hex#7381ab
rgbrgb(115, 129, 171)
hslhsl(225, 25%, 56%)
oklchoklch(0.608 0.066 270.1)
Closest name: Bay View (#6a819e)Relative luminance 0.2229

Colors that go with #7381ab

Charcoal, Copper and Sea Green 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 →

#ab9d73

#739dab · #8173ab

#ab7381 · #81ab73

Split-complementary

Open in tool →

#ab8173 · #9dab73

#ab739d · #ab9d73 · #73ab81

Contrast

#7381ab as textRatioAAAA largeAAAFix
Aaon white
3.85:1failpassfail
  • AA: use #6675a3 as the text (4.53:1)
  • AAA: use #4b577c as the text (7.11:1)
  • AA: or shift the background to #1a1a1a (4.52:1)
Aaon black
5.46:1passpassfail
  • AAA: use #8995b8 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #7381ab as the background.

Brands using this color

mcpConnect your agent — build around #7381ab
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 #7381ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/7381ab-9ca1c4-df754e-221f2d-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