Color

#37101e

#37101e
hex#37101e
rgbrgb(55, 16, 30)
hslhsl(338, 55%, 14%)
oklchoklch(0.242 0.064 0.8)
Closest name: Chocolate Kiss (#3c1421)Relative luminance 0.0128

Tints & shades

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

Harmonies

Complementary

Open in tool →

#103729

#371032 · #371510

#1e3710 · #101e37

Split-complementary

Open in tool →

#103715 · #103237

#323710 · #103729 · #151037

Contrast

#37101e as textRatioAAAA largeAAAFix
Aaon white
16.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #c94576 as the text (4.6:1)
  • AAA: use #d8799c as the text (7.13:1)
  • AA: or shift the background to #858585 (4.53:1)
  • AAA: or shift the background to #a8a8a8 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37101e 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

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

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

tool url/palettes/new/37101e-c49ca6-62cb72-2d201f-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