Color

#18201f

#18201f
hex#18201f
rgbrgb(24, 32, 31)
hslhsl(173, 14%, 11%)
oklchoklch(0.235 0.012 187.1)
Closest name: Coco’s Black (#1c1c1a)Relative luminance 0.0133

Tints & shades

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

Harmonies

Complementary

Open in tool →

#201819

#18201b · #181d20

#1f1820 · #201f18

Split-complementary

Open in tool →

#20181d · #201b18

#1b1820 · #201819 · #1d2018

Contrast

#18201f as textRatioAAAA largeAAAFix
Aaon white
16.6:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #5c7a77 as the text (4.51:1)
  • AAA: use #7c9c99 as the text (7.07:1)
  • AA: or shift the background to #878787 (4.62:1)
  • AAA: or shift the background to #ababab (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18201f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#18201f reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18201f
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 #18201f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18201f-a2bebe-d459a3-1f292d-e9f1ec?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