Color

#131a1b

#131a1b
hex#131a1b
rgbrgb(19, 26, 27)
hslhsl(188, 17%, 9%)
oklchoklch(0.211 0.011 207)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0096

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1b1413

#131b18 · #13161b

#1b131a · #1a1b13

Split-complementary

Open in tool →

#1b1316 · #1b1813

#18131b · #1b1413 · #161b13

Contrast

#131a1b as textRatioAAAA largeAAAFix
Aaon white
17.63:1passpasspassPasses AAA — no fix needed.
Aaon black
1.19:1failfailfail
  • AA: use #5b7b80 as the text (4.59:1)
  • AAA: use #799ba0 as the text (7.01:1)
  • AA: or shift the background to #828282 (4.59:1)
  • AAA: or shift the background to #a6a6a6 (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #131a1b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#131a1b reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #131a1b
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 #131a1b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/131a1b-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