Color

#575e9e

#575e9e
hex#575e9e
rgbrgb(87, 94, 158)
hslhsl(234, 29%, 48%)
oklchoklch(0.506 0.102 277.4)
Closest name: Bellflower (#5d66aa)Relative luminance 0.125

Colors that go with #575e9e

Charcoal, Amber and 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 →

#9e9757

#57819e · #73579e

#9e575e · #5e9e57

Split-complementary

Open in tool →

#9e7357 · #819e57

#9e5781 · #9e9757 · #579e73

Contrast

#575e9e as textRatioAAAA largeAAAFix
Aaon white
6:1passpassfail
  • AAA: use #4e548d as the text (7.05:1)
Aaon black
3.5:1failpassfail
  • AA: use #6b72ae as the text (4.64:1)
  • AAA: use #8f94c1 as the text (7.17:1)
  • AA: or shift the background to #e0e0e0 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #575e9e 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 #575e9e
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 #575e9e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/575e9e-9d9cc4-df8a4e-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