Color

#59309c

#59309c
hex#59309c
rgbrgb(89, 48, 156)
hslhsl(263, 53%, 40%)
oklchoklch(0.424 0.166 295.9)
Closest name: rebeccapurple (#663399)Relative luminance 0.0664

Colors that go with #59309c

Royal Blue, Blue and Crimson 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 →

#739c30

#303d9c · #8f309c

#9c5930 · #309c59

Split-complementary

Open in tool →

#9c8f30 · #3d9c30

#9c303d · #739c30 · #309c8f

Contrast

#59309c as textRatioAAAA largeAAAFix
Aaon white
9.02:1passpasspassPasses AAA — no fix needed.
Aaon black
2.33:1failfailfail
  • AA: use #8a5fce as the text (4.61:1)
  • AAA: use #a686da as the text (7.04:1)
  • AA: or shift the background to #b8b8b8 (4.55:1)
  • AAA: or shift the background to #e3e3e3 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #59309c 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

#59309c reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #59309c
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 #59309c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59309c-b09cc4-dfd04e-2b1f2d-e9eaf1?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