Color

#131f0f

#131f0f
hex#131f0f
rgbrgb(19, 31, 15)
hslhsl(105, 35%, 9%)
oklchoklch(0.223 0.034 138.1)
Closest name: Nightmare (#112211)Relative luminance 0.0115

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1b0f1f

#1b1f0f · #0f1f13

#0f131f · #1f0f13

Split-complementary

Open in tool →

#130f1f · #1f0f1b

#0f1b1f · #1b0f1f · #1f130f

Contrast

#131f0f as textRatioAAAA largeAAAFix
Aaon white
17.07:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #50833f as the text (4.66:1)
  • AAA: use #65a550 as the text (7.05:1)
  • AA: or shift the background to #858585 (4.62:1)
  • AAA: or shift the background to #a6a6a6 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #131f0f 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

#131f0f reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #131f0f
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 #131f0f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/131f0f-a6bea2-754edf-1f2d22-eff1e9?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