Color

#0b180c

#0b180c
hex#0b180c
rgbrgb(11, 24, 12)
hslhsl(125, 37%, 7%)
oklchoklch(0.193 0.03 146.1)
Closest name: King Kong (#161410)Relative luminance 0.0075

Tints & shades

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

Harmonies

Complementary

Open in tool →

#180b17

#11180b · #0b1813

#0c0b18 · #180c0b

Split-complementary

Open in tool →

#130b18 · #180b11

#0b1118 · #180b17 · #18130b

Contrast

#0b180c as textRatioAAAA largeAAAFix
Aaon white
18.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.15:1failfailfail
  • AA: use #3d8543 as the text (4.63:1)
  • AAA: use #4da855 as the text (7.05:1)
  • AA: or shift the background to #808080 (4.62:1)
  • AAA: or shift the background to #a1a1a1 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b180c 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

#0b180c reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b180c
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 #0b180c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b180c-a2bea7-a54edf-1f2d26-ecf1e9?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