Color

#513455

#513455
hex#513455
rgbrgb(81, 52, 85)
hslhsl(293, 24%, 27%)
oklchoklch(0.373 0.066 322.5)
Closest name: Long Passionate Night (#5b365e)Relative luminance 0.0486

Colors that go with #513455

Sea Green, Blue and Blush Pink 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 →

#385534

#413455 · #553449

#555234 · #345552

Split-complementary

Open in tool →

#495534 · #345541

#554134 · #385534 · #344955

Contrast

#513455 as textRatioAAAA largeAAAFix
Aaon white
10.65:1passpasspassPasses AAA — no fix needed.
Aaon black
1.97:1failfailfail
  • AA: use #97619e as the text (4.52:1)
  • AAA: use #b28ab7 as the text (7.21:1)
  • AA: or shift the background to #ababab (4.64:1)
  • AAA: or shift the background to #d4d4d4 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #513455 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

#513455 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #513455
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 #513455 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/513455-c19fc1-a1cb62-2d1f29-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