Color

#1b1f0a

#1b1f0a
hex#1b1f0a
rgbrgb(27, 31, 10)
hslhsl(71, 51%, 8%)
oklchoklch(0.229 0.037 118.3)
Closest name: Nightmare (#112211)Relative luminance 0.0123

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0e0a1f

#1f180a · #111f0a

#0a1b1f · #1f0a1b

Split-complementary

Open in tool →

#0a111f · #180a1f

#0a1f18 · #0e0a1f · #1f0a11

Contrast

#1b1f0a as textRatioAAAA largeAAAFix
Aaon white
16.84:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #6c7b28 as the text (4.5:1)
  • AAA: use #8a9e33 as the text (7.02:1)
  • AA: or shift the background to #858585 (4.56:1)
  • AAA: or shift the background to #a8a8a8 (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 #1b1f0a 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

#1b1f0a reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b1f0a
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 #1b1f0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b1f0a-b6bea2-4e7adf-252d1f-f1efe9?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