Color

#757ba9

#757ba9
hex#757ba9
rgbrgb(117, 123, 169)
hslhsl(233, 23%, 56%)
oklchoklch(0.596 0.071 278.3)
Closest name: Aster (#867ba9)Relative luminance 0.2081

Colors that go with #757ba9

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 →

#a9a375

#7595a9 · #8975a9

#a9757b · #7ba975

Split-complementary

Open in tool →

#a98975 · #95a975

#a97595 · #a9a375 · #75a989

Contrast

#757ba9 as textRatioAAAA largeAAAFix
Aaon white
4.07:1failpassfail
  • AA: use #6c72a3 as the text (4.59:1)
  • AAA: use #515681 as the text (7:1)
  • AA: or shift the background to #141414 (4.53:1)
Aaon black
5.16:1passpassfail
  • AAA: use #8e93b8 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #757ba9 as the background.

Brands using this color

mcpConnect your agent — build around #757ba9
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 #757ba9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/757ba9-9c9cc4-df884e-241f2d-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