Color

#370501

#370501
hex#370501
rgbrgb(55, 5, 1)
hslhsl(4, 96%, 11%)
oklchoklch(0.219 0.08 31.9)
Closest name: Black Chocolate (#441100)Relative luminance 0.0092

Tints & shades

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

Harmonies

Complementary

Open in tool →

#013337

#370118 · #372001

#013705 · #050137

Split-complementary

Open in tool →

#013720 · #011837

#183701 · #013337 · #200137

Contrast

#370501 as textRatioAAAA largeAAAFix
Aaon white
17.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #eb1405 as the text (4.63:1)
  • AAA: use #fc655a as the text (7.15:1)
  • AA: or shift the background to #828282 (4.61:1)
  • AAA: or shift the background to #a3a3a3 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #370501 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

#370501 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #370501
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 #370501 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/370501-c4a39c-62cb9f-2d261f-f1e9ed?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