Color

#890101

#890101
hex#890101
rgbrgb(137, 1, 1)
hslhsl(0, 99%, 27%)
oklchoklch(0.396 0.162 29.1)
Closest name: darkred (#8b0000)Relative luminance 0.0534

Colors that go with #890101

Teal, Crimson and Taupe 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 →

#018989

#890145 · #894501

#018901 · #010189

Split-complementary

Open in tool →

#018945 · #014589

#458901 · #018989 · #450189

Contrast

#890101 as textRatioAAAA largeAAAFix
Aaon white
10.15:1passpasspassPasses AAA — no fix needed.
Aaon black
2.07:1failfailfail
  • AA: use #ef0101 as the text (4.67:1)
  • AAA: use #fe6262 as the text (7.14:1)
  • AA: or shift the background to #adadad (4.52:1)
  • AAA: or shift the background to #d9d9d9 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #890101 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

#890101 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #890101
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 #890101 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/890101-c4a19c-62cb98-2d251f-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