Color

#56599f

#56599f
hex#56599f
rgbrgb(86, 89, 159)
hslhsl(238, 30%, 48%)
oklchoklch(0.495 0.11 279.7)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1163

Colors that go with #56599f

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 →

#9f9d56

#567d9f · #78569f

#9f5658 · #589f56

Split-complementary

Open in tool →

#9f7856 · #7d9f56

#9f567d · #9f9d56 · #569f78

Contrast

#56599f as textRatioAAAA largeAAAFix
Aaon white
6.32:1passpassfail
  • AAA: use #4f5192 as the text (7.18:1)
Aaon black
3.33:1failpassfail
  • AA: use #6d6fb0 as the text (4.55:1)
  • AAA: use #9293c4 as the text (7.19:1)
  • AA: or shift the background to #dbdbdb (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #56599f 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 #56599f
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 #56599f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/56599f-9f9cc4-df944e-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