Color

#371001

#371001
hex#371001
rgbrgb(55, 16, 1)
hslhsl(17, 96%, 11%)
oklchoklch(0.235 0.068 42.5)
Closest name: Black Chocolate (#441100)Relative luminance 0.0118

Tints & shades

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

Harmonies

Complementary

Open in tool →

#012837

#37010d · #372b01

#013710 · #100137

Split-complementary

Open in tool →

#01372b · #010d37

#0d3701 · #012837 · #2b0137

Contrast

#371001 as textRatioAAAA largeAAAFix
Aaon white
16.98:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #d74004 as the text (4.62:1)
  • AAA: use #fb672d as the text (7.08:1)
  • AA: or shift the background to #858585 (4.6:1)
  • AAA: or shift the background to #a8a8a8 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #371001 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

#371001 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #371001
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 #371001 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/371001-c4ac9c-62cbb6-2d291f-f1e9eb?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