Color

#13100b

#13100b
hex#13100b
rgbrgb(19, 16, 11)
hslhsl(38, 27%, 6%)
oklchoklch(0.175 0.011 80.5)
Closest name: Sinister (#12110e)Relative luminance 0.0053

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0b0e13

#130c0b · #12130b

#0b1310 · #100b13

Split-complementary

Open in tool →

#0b1213 · #0c0b13

#0b130c · #0b0e13 · #130b12

Contrast

#13100b as textRatioAAAA largeAAAFix
Aaon white
18.98:1passpasspassPasses AAA — no fix needed.
Aaon black
1.11:1failfailfail
  • AA: use #88734e as the text (4.61:1)
  • AAA: use #a9926a as the text (7.01:1)
  • AA: or shift the background to #7d7d7d (4.61:1)
  • AAA: or shift the background to #9e9e9e (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 #13100b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#13100b reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #13100b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #13100b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/13100b-c4ba9c-62bbcb-2c2d1f-f1ebe9?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