Color

#370107

#370107
hex#370107
rgbrgb(55, 1, 7)
hslhsl(353, 96%, 11%)
oklchoklch(0.215 0.084 21)
Closest name: English Breakfast (#441111)Relative luminance 0.0085

Colors that go with #370107

Charcoal, Royal Blue and Sea Green 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 →

#013731

#370122 · #371601

#073701 · #010737

Split-complementary

Open in tool →

#013716 · #012237

#223701 · #013731 · #160137

Contrast

#370107 as textRatioAAAA largeAAAFix
Aaon white
17.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #eb0520 as the text (4.57:1)
  • AAA: use #fc5f71 as the text (7.01:1)
  • AA: or shift the background to #808080 (4.55:1)
  • AAA: or shift the background to #a3a3a3 (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 #370107 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

#370107 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #370107
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 #370107 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/370107-c49c9c-62cb8c-2d241f-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