Color

#370901

#370901
hex#370901
rgbrgb(55, 9, 1)
hslhsl(9, 96%, 11%)
oklchoklch(0.225 0.075 35.3)
Closest name: Black Chocolate (#441100)Relative luminance 0.0101

Colors that go with #370901

Charcoal, Crimson and Royal Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#012f37

#370114 · #372401

#013709 · #090137

Split-complementary

Open in tool →

#013724 · #011437

#143701 · #012f37 · #240137

Contrast

#370901 as textRatioAAAA largeAAAFix
Aaon white
17.47:1passpasspassPasses AAA — no fix needed.
Aaon black
1.2:1failfailfail
  • AA: use #e62605 as the text (4.64:1)
  • AAA: use #fb664b as the text (7.1:1)
  • AA: or shift the background to #828282 (4.55:1)
  • AAA: or shift the background to #a6a6a6 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #370901 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

#370901 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #370901
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #370901 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/370901-c4a79c-62cba8-2d271f-f1e9ec?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