Color

#172721

#172721
hex#172721
rgbrgb(23, 39, 33)
hslhsl(158, 26%, 12%)
oklchoklch(0.256 0.024 168.9)
Closest name: Underworld (#1e231c)Relative luminance 0.0174

Tints & shades

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

Harmonies

Complementary

Open in tool →

#27171c

#172719 · #172427

#211727 · #272117

Split-complementary

Open in tool →

#271724 · #271917

#191727 · #27171c · #242717

Contrast

#172721 as textRatioAAAA largeAAAFix
Aaon white
15.57:1passpasspassPasses AAA — no fix needed.
Aaon black
1.35:1failfailfail
  • AA: use #4b816d as the text (4.66:1)
  • AAA: use #62a38b as the text (7.13:1)
  • AA: or shift the background to #8a8a8a (4.51:1)
  • AAA: or shift the background to #b0b0b0 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #172721 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

#172721 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #172721
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 #172721 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/172721-a2beb7-d459c2-1f2c2d-e9f1eb?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