Color

#581850

#581850
hex#581850
rgbrgb(88, 24, 80)
hslhsl(308, 57%, 22%)
oklchoklch(0.336 0.117 333.3)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0331

Colors that go with #581850

Sea Green, 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 →

#185821

#411858 · #581830

#505818 · #185058

Split-complementary

Open in tool →

#305818 · #185841

#584118 · #185821 · #183058

Contrast

#581850 as textRatioAAAA largeAAAFix
Aaon white
12.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.66:1failfailfail
  • AA: use #c436b1 as the text (4.51:1)
  • AAA: use #d86fca as the text (7.05:1)
  • AA: or shift the background to #9c9c9c (4.6:1)
  • AAA: or shift the background to #c2c2c2 (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 #581850 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

#581850 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #581850
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 #581850 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/581850-c19fb8-87cb62-2d1f25-eee9f1?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