Color

#100911

#100911
hex#100911
rgbrgb(16, 9, 17)
hslhsl(293, 31%, 5%)
oklchoklch(0.154 0.02 322.2)
Closest name: Noir Fiction (#150811)Relative luminance 0.0035

Colors that go with #100911

Charcoal, Amber and 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.

Real palettes that use #100911

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0a1109

#0c0911 · #11090e

#111009 · #091110

Split-complementary

Open in tool →

#0e1109 · #09110c

#110c09 · #0a1109 · #090e11

Contrast

#100911 as textRatioAAAA largeAAAFix
Aaon white
19.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.07:1failfailfail
  • AA: use #a05ba9 as the text (4.56:1)
  • AAA: use #b783be as the text (7:1)
  • AA: or shift the background to #7a7a7a (4.58:1)
  • AAA: or shift the background to #9c9c9c (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #100911 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#100911 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100911
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 #100911 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100911-c19fc1-a1cb62-2d1f29-ece9f1?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