Color

#17211d

#17211d
hex#17211d
rgbrgb(23, 33, 29)
hslhsl(156, 18%, 11%)
oklchoklch(0.237 0.016 168.5)
Closest name: Underworld (#1e231c)Relative luminance 0.0136

Tints & shades

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

Harmonies

Complementary

Open in tool →

#21171b

#172118 · #172021

#1d1721 · #211d17

Split-complementary

Open in tool →

#211720 · #211817

#181721 · #21171b · #202117

Contrast

#17211d as textRatioAAAA largeAAAFix
Aaon white
16.51:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #587e6f as the text (4.63:1)
  • AAA: use #759f8e as the text (7.11:1)
  • AA: or shift the background to #878787 (4.6:1)
  • AAA: or shift the background to #ababab (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #17211d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#17211d reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #17211d
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 #17211d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/17211d-a2beb6-d459c6-1f2d2d-e9f1ea?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