Color

#37151c

#37151c
hex#37151c
rgbrgb(55, 21, 28)
hslhsl(348, 45%, 15%)
oklchoklch(0.25 0.055 9)
Closest name: Chocolate Kiss (#3c1421)Relative luminance 0.0143

Tints & shades

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

Harmonies

Complementary

Open in tool →

#153731

#37152d · #371f15

#1c3715 · #151c37

Split-complementary

Open in tool →

#15371f · #152d37

#2d3715 · #153731 · #1f1537

Contrast

#37151c as textRatioAAAA largeAAAFix
Aaon white
16.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #bd5167 as the text (4.54:1)
  • AAA: use #cf8191 as the text (7.2:1)
  • AA: or shift the background to #878787 (4.54:1)
  • AAA: or shift the background to #ababab (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37151c 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

#37151c reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #37151c
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 #37151c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37151c-c49c9f-62cb83-2d231f-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