Color

#37101c

#37101c
hex#37101c
rgbrgb(55, 16, 28)
hslhsl(342, 55%, 14%)
oklchoklch(0.241 0.064 4)
Closest name: Chocolate Kiss (#3c1421)Relative luminance 0.0127

Tints & shades

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

Harmonies

Complementary

Open in tool →

#10372c

#37102f · #371810

#1c3710 · #101c37

Split-complementary

Open in tool →

#103718 · #102f37

#2f3710 · #10372c · #181037

Contrast

#37101c as textRatioAAAA largeAAAFix
Aaon white
16.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #c9456d as the text (4.56:1)
  • AAA: use #d87995 as the text (7.09:1)
  • AA: or shift the background to #858585 (4.54:1)
  • AAA: or shift the background to #a8a8a8 (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 #37101c 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

#37101c reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37101c
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 #37101c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37101c-c49ca3-62cb79-2d211f-f1e9ef?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