Color

#180c15

#180c15
hex#180c15
rgbrgb(24, 12, 21)
hslhsl(315, 33%, 7%)
oklchoklch(0.176 0.027 336.2)
Closest name: Noir Fiction (#150811)Relative luminance 0.0051

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0c180f

#150c18 · #180c0f

#15180c · #0c1518

Split-complementary

Open in tool →

#0f180c · #0c1815

#18150c · #0c180f · #0c0f18

Contrast

#180c15 as textRatioAAAA largeAAAFix
Aaon white
19.05:1passpasspassPasses AAA — no fix needed.
Aaon black
1.1:1failfailfail
  • AA: use #ab5997 as the text (4.61:1)
  • AAA: use #c082b0 as the text (7.06:1)
  • AA: or shift the background to #7d7d7d (4.63:1)
  • AAA: or shift the background to #9e9e9e (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #180c15 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#180c15 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #180c15
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 #180c15 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/180c15-c19fb4-7bcb62-2d1f24-efe9f1?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