Color

#1b1918

#1b1918
hex#1b1918
rgbrgb(27, 25, 24)
hslhsl(20, 6%, 10%)
oklchoklch(0.215 0.004 48.5)
Closest name: Coco’s Black (#1c1c1a)Relative luminance 0.0099

Tints & shades

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

Harmonies

Complementary

Open in tool →

#181a1b

#1b1818 · #1b1b18

#181b19 · #19181b

Split-complementary

Open in tool →

#181b1b · #18181b

#181b18 · #181a1b · #1b181b

Contrast

#1b1918 as textRatioAAAA largeAAAFix
Aaon white
17.52:1passpasspassPasses AAA — no fix needed.
Aaon black
1.2:1failfailfail
  • AA: use #7c736e as the text (4.53:1)
  • AAA: use #9d9490 as the text (7.07:1)
  • AA: or shift the background to #828282 (4.56:1)
  • AAA: or shift the background to #a6a6a6 (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b1918 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1b1918 reads as neutral, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b1918
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 #1b1918 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b1918-a2beb0-c859d4-1f2d2b-eaf1e9?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