Color

#211c17

#211c17
hex#211c17
rgbrgb(33, 28, 23)
hslhsl(30, 18%, 11%)
oklchoklch(0.23 0.012 67.2)
Closest name: Dark Orchestra (#251b19)Relative luminance 0.0122

Tints & shades

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

Harmonies

Complementary

Open in tool →

#171c21

#211717 · #212117

#17211c · #1c1721

Split-complementary

Open in tool →

#172121 · #171721

#172117 · #171c21 · #211721

Contrast

#211c17 as textRatioAAAA largeAAAFix
Aaon white
16.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #87735e as the text (4.64:1)
  • AAA: use #a79481 as the text (7.2:1)
  • AA: or shift the background to #858585 (4.58:1)
  • AAA: or shift the background to #a8a8a8 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #211c17 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#211c17 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #211c17
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 #211c17 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/211c17-c4b59c-62c9cb-2d2c1f-f1eae9?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