Color

#575cb7

#575cb7
hex#575cb7
rgbrgb(87, 92, 183)
hslhsl(237, 40%, 53%)
oklchoklch(0.517 0.141 277.9)
Closest name: Bellflower (#5d66aa)Relative luminance 0.131

Colors that go with #575cb7

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 →

#b7b257

#578cb7 · #8257b7

#b7575c · #5cb757

Split-complementary

Open in tool →

#b78257 · #8cb757

#b7578c · #b7b257 · #57b782

Contrast

#575cb7 as textRatioAAAA largeAAAFix
Aaon white
5.8:1passpassfail
  • AAA: use #494eab as the text (7.09:1)
Aaon black
3.62:1failpassfail
  • AA: use #696dbf as the text (4.54:1)
  • AAA: use #8d90ce as the text (7.01:1)
  • AA: or shift the background to #e3e3e3 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #575cb7 as the background.

Brands using this color

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

Fonts for this mood

#575cb7 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #575cb7
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 #575cb7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/575cb7-9f9cc4-df924e-251f2d-e9edf1?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