Color

#51153d

#51153d
hex#51153d
rgbrgb(81, 21, 61)
hslhsl(320, 59%, 20%)
oklchoklch(0.31 0.101 343.7)
Closest name: Velvet Cosmos (#441144)Relative luminance 0.0262

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#155129

#471551 · #51151f

#3d5115 · #153d51

Split-complementary

Open in tool →

#1f5115 · #155147

#514715 · #155129 · #151f51

Contrast

#51153d as textRatioAAAA largeAAAFix
Aaon white
13.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.52:1failfailfail
  • AA: use #cc389b as the text (4.61:1)
  • AAA: use #da71b7 as the text (7.03:1)
  • AA: or shift the background to #949494 (4.54:1)
  • AAA: or shift the background to #bababa (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 #51153d 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

#51153d reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51153d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #51153d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51153d-c19fb2-72cb62-2d1f23-f0e9f1?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