Color

#8b3757

#8b3757
hex#8b3757
rgbrgb(139, 55, 87)
hslhsl(337, 43%, 38%)
oklchoklch(0.462 0.119 359.1)
Closest name: Blood Oath (#85323c)Relative luminance 0.0891

Tints & shades

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

Harmonies

Complementary

Open in tool →

#378b6b

#8b3781 · #8b4137

#578b37 · #37578b

Split-complementary

Open in tool →

#378b41 · #37818b

#818b37 · #378b6b · #41378b

Contrast

#8b3757 as textRatioAAAA largeAAAFix
Aaon white
7.55:1passpasspassPasses AAA — no fix needed.
Aaon black
2.78:1failfailfail
  • AA: use #bb547b as the text (4.67:1)
  • AAA: use #cc7f9d as the text (7.09:1)
  • AA: or shift the background to #c9c9c9 (4.56:1)
  • AAA: or shift the background to #f7f7f7 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8b3757 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

#8b3757 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #8b3757
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 #8b3757 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8b3757-c49ca7-62cb70-2d201f-f1e9f0?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