Color

#1f221c

#1f221c
hex#1f221c
rgbrgb(31, 34, 28)
hslhsl(90, 10%, 12%)
oklchoklch(0.247 0.012 129)
Closest name: Underworld (#1e231c)Relative luminance 0.0152

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f1c22

#22221c · #1c221c

#1c1f22 · #221c1f

Split-complementary

Open in tool →

#1c1c22 · #221c22

#1c2222 · #1f1c22 · #221c1c

Contrast

#1f221c as textRatioAAAA largeAAAFix
Aaon white
16.11:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #6e7963 as the text (4.58:1)
  • AAA: use #8f9a84 as the text (7.12:1)
  • AA: or shift the background to #8a8a8a (4.67:1)
  • AAA: or shift the background to #ababab (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f221c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1f221c reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f221c
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 #1f221c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f221c-adbea2-514edf-202d1f-f1f1e9?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