Color

#37151a

#37151a
hex#37151a
rgbrgb(55, 21, 26)
hslhsl(351, 45%, 15%)
oklchoklch(0.249 0.054 12.7)
Closest name: Bruised Plum (#3b1921)Relative luminance 0.0142

Tints & shades

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

Harmonies

Complementary

Open in tool →

#153732

#37152b · #372115

#1a3715 · #151a37

Split-complementary

Open in tool →

#153721 · #152b37

#2b3715 · #153732 · #211537

Contrast

#37151a as textRatioAAAA largeAAAFix
Aaon white
16.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #bd5161 as the text (4.51:1)
  • AAA: use #cf818d as the text (7.18:1)
  • AA: or shift the background to #878787 (4.55:1)
  • AAA: or shift the background to #ababab (7.12:1)

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

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

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

tool url/palettes/new/37151a-c49c9e-62cb89-2d231f-f1e9ee?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