Color

#51356e

#51356e
hex#51356e
rgbrgb(81, 53, 110)
hslhsl(269, 35%, 32%)
oklchoklch(0.389 0.098 305)
Closest name: Imperial Purple (#5b3167)Relative luminance 0.0542

Colors that go with #51356e

Crimson, Denim and Midnight 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 →

#536e35

#35366e · #6d356e

#6e5135 · #356e51

Split-complementary

Open in tool →

#6e6d35 · #366e35

#6e3536 · #536e35 · #356e6d

Contrast

#51356e as textRatioAAAA largeAAAFix
Aaon white
10.08:1passpasspassPasses AAA — no fix needed.
Aaon black
2.08:1failfailfail
  • AA: use #8b64b4 as the text (4.58:1)
  • AAA: use #a78ac7 as the text (7.1:1)
  • AA: or shift the background to #b0b0b0 (4.65:1)
  • AAA: or shift the background to #d9d9d9 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51356e 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

#51356e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51356e
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 #51356e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51356e-b49cc4-cbcb62-2c1f2d-e9e9f1?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