Color

#56155b

#56155b
hex#56155b
rgbrgb(86, 21, 91)
hslhsl(296, 63%, 22%)
oklchoklch(0.337 0.13 324.9)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0327

Colors that go with #56155b

Denim, Forest Green 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 →

#195b15

#33155b · #5b153d

#5b5715 · #155b57

Split-complementary

Open in tool →

#3d5b15 · #155b33

#5b3315 · #195b15 · #153d5b

Contrast

#56155b as textRatioAAAA largeAAAFix
Aaon white
12.7:1passpasspassPasses AAA — no fix needed.
Aaon black
1.65:1failfailfail
  • AA: use #c12ecc as the text (4.53:1)
  • AAA: use #d66ede as the text (7.14:1)
  • AA: or shift the background to #9c9c9c (4.62:1)
  • AAA: or shift the background to #c2c2c2 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #56155b 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

#56155b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #56155b
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 #56155b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/56155b-c19fbf-9ccb62-2d1f28-ede9f1?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