Color

#17211f

#17211f
hex#17211f
rgbrgb(23, 33, 31)
hslhsl(168, 18%, 11%)
oklchoklch(0.237 0.015 181.4)
Closest name: Underworld (#1e231c)Relative luminance 0.0137

Tints & shades

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

Harmonies

Complementary

Open in tool →

#211719

#17211a · #171e21

#1f1721 · #211f17

Split-complementary

Open in tool →

#21171e · #211a17

#1a1721 · #211719 · #1e2117

Contrast

#17211f as textRatioAAAA largeAAAFix
Aaon white
16.49:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #587e77 as the text (4.67:1)
  • AAA: use #759f96 as the text (7.16:1)
  • AA: or shift the background to #878787 (4.59:1)
  • AAA: or shift the background to #ababab (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 #17211f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

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

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

tool url/palettes/new/17211f-a2bebc-d459ad-1f2a2d-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