Color

#13282b

#13282b
hex#13282b
rgbrgb(19, 40, 43)
hslhsl(188, 39%, 12%)
oklchoklch(0.261 0.027 207.4)
Closest name: Black Box (#0f282f)Relative luminance 0.0183

Colors that go with #13282b

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b1613

#132b22 · #131b2b

#2b1327 · #272b13

Split-complementary

Open in tool →

#2b131b · #2b2213

#22132b · #2b1613 · #1b2b13

Contrast

#13282b as textRatioAAAA largeAAAFix
Aaon white
15.37:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #3d808a as the text (4.65:1)
  • AAA: use #4ca1ae as the text (7.02:1)
  • AA: or shift the background to #8c8c8c (4.57:1)
  • AAA: or shift the background to #b0b0b0 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #13282b as the background.

Brands using this color

Fonts for this mood

#13282b reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #13282b
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 #13282b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/13282b-a2b7be-df4e81-1f252d-e9f1ee?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