Color

#5d288a

#5d288a
hex#5d288a
rgbrgb(93, 40, 138)
hslhsl(272, 55%, 35%)
oklchoklch(0.403 0.156 305.1)
Closest name: Intergalactic Settlement (#5b1e8b)Relative luminance 0.0568

Colors that go with #5d288a

Crimson, Midnight Blue and Tomato 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 →

#568a28

#2b288a · #8a2887

#8a5d28 · #288a5d

Split-complementary

Open in tool →

#878a28 · #288a2b

#8a2b28 · #568a28 · #28878a

Contrast

#5d288a as textRatioAAAA largeAAAFix
Aaon white
9.83:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #9859cf as the text (4.67:1)
  • AAA: use #b384db as the text (7.24:1)
  • AA: or shift the background to #b0b0b0 (4.53:1)
  • AAA: or shift the background to #dbdbdb (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5d288a 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

#5d288a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5d288a
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 #5d288a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5d288a-b69cc4-c5cb62-2d1f2d-eae9f1?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