Color

#37151f

#37151f
hex#37151f
rgbrgb(55, 21, 31)
hslhsl(342, 45%, 15%)
oklchoklch(0.251 0.056 3.4)
Closest name: Chocolate Kiss (#3c1421)Relative luminance 0.0145

Tints & shades

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

Harmonies

Complementary

Open in tool →

#15372d

#371531 · #371c15

#1f3715 · #151f37

Split-complementary

Open in tool →

#15371c · #153137

#313715 · #15372d · #1c1537

Contrast

#37151f as textRatioAAAA largeAAAFix
Aaon white
16.29:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #bd5172 as the text (4.58:1)
  • AAA: use #ce7e96 as the text (7.05:1)
  • AA: or shift the background to #878787 (4.53:1)
  • AAA: or shift the background to #ababab (7.09:1)

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

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

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

tool url/palettes/new/37151f-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