Color

#5d599b

#5d599b
hex#5d599b
rgbrgb(93, 89, 155)
hslhsl(244, 27%, 48%)
oklchoklch(0.498 0.103 284.7)
Closest name: Passion Flower (#6f5698)Relative luminance 0.1184

Colors that go with #5d599b

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 →

#979b59

#59769b · #7f599b

#9b5e59 · #599b5e

Split-complementary

Open in tool →

#9b7f59 · #769b59

#9b5976 · #979b59 · #599b7f

Contrast

#5d599b as textRatioAAAA largeAAAFix
Aaon white
6.24:1passpassfail
  • AAA: use #56528e as the text (7.02:1)
Aaon black
3.37:1failpassfail
  • AA: use #7571ad as the text (4.72:1)
  • AAA: use #9491c0 as the text (7.07:1)
  • AA: or shift the background to #dbdbdb (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5d599b 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 #5d599b
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 #5d599b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5d599b-a39cc4-dfa24e-261f2d-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