Color

#51285d

#51285d
hex#51285d
rgbrgb(81, 40, 93)
hslhsl(286, 40%, 26%)
oklchoklch(0.356 0.1 318.1)
Closest name: Acai (#48295b)Relative luminance 0.0406

Colors that go with #51285d

Sea Green, Blue and Charcoal 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 →

#345d28

#36285d · #5d284f

#5d5028 · #285d50

Split-complementary

Open in tool →

#4f5d28 · #285d36

#5d3628 · #345d28 · #284f5d

Contrast

#51285d as textRatioAAAA largeAAAFix
Aaon white
11.59:1passpasspassPasses AAA — no fix needed.
Aaon black
1.81:1failfailfail
  • AA: use #a157b7 as the text (4.56:1)
  • AAA: use #b982c9 as the text (7.1:1)
  • AA: or shift the background to #a3a3a3 (4.6:1)
  • AAA: or shift the background to #c9c9c9 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51285d 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

#51285d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51285d
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 #51285d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51285d-bd9fc1-adcb62-2d1f2a-ece9f1?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