Color

#1b040f

#1b040f
hex#1b040f
rgbrgb(27, 4, 15)
hslhsl(331, 74%, 6%)
oklchoklch(0.159 0.047 352)
Closest name: Crow (#180614)Relative luminance 0.0035

Tints & shades

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

Harmonies

Complementary

Open in tool →

#041b10

#1b041a · #1b0404

#0f1b04 · #040f1b

Split-complementary

Open in tool →

#041b04 · #041a1b

#1a1b04 · #041b10 · #04041b

Contrast

#1b040f as textRatioAAAA largeAAAFix
Aaon white
19.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.07:1failfailfail
  • AA: use #de217c as the text (4.61:1)
  • AAA: use #e96da9 as the text (7.23:1)
  • AA: or shift the background to #7a7a7a (4.57:1)
  • AAA: or shift the background to #9c9c9c (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b040f 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

#1b040f reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b040f
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 #1b040f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b040f-c49cab-62cb66-2d1f20-f1e9f1?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