Color

#23010b

#23010b
hex#23010b
rgbrgb(35, 1, 11)
hslhsl(342, 94%, 7%)
oklchoklch(0.167 0.063 5.2)
Closest name: Belladonna (#220011)Relative luminance 0.004

Colors that go with #23010b

Charcoal, Rust 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.

Real palettes that use #23010b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#012319

#23011c · #230801

#0b2301 · #010b23

Split-complementary

Open in tool →

#012308 · #011c23

#1c2301 · #012319 · #080123

Contrast

#23010b as textRatioAAAA largeAAAFix
Aaon white
19.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.08:1failfailfail
  • AA: use #e9074b as the text (4.6:1)
  • AAA: use #fa618f as the text (7.17:1)
  • AA: or shift the background to #7a7a7a (4.53:1)
  • AAA: or shift the background to #9c9c9c (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #23010b 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

#23010b reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #23010b
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 #23010b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/23010b-c49ca3-62cb79-2d211f-f1e9ef?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