Color

#211e17

#211e17
hex#211e17
rgbrgb(33, 30, 23)
hslhsl(42, 18%, 11%)
oklchoklch(0.236 0.014 87.6)
Closest name: Coco’s Black (#1c1c1a)Relative luminance 0.0131

Tints & shades

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

Harmonies

Complementary

Open in tool →

#171a21

#211917 · #1f2117

#17211e · #1e1721

Split-complementary

Open in tool →

#171f21 · #191721

#172119 · #171a21 · #21171f

Contrast

#211e17 as textRatioAAAA largeAAAFix
Aaon white
16.63:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #81765a as the text (4.67:1)
  • AAA: use #a19578 as the text (7.09:1)
  • AA: or shift the background to #858585 (4.51:1)
  • AAA: or shift the background to #ababab (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #211e17 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#211e17 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #211e17
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 #211e17 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/211e17-c4bc9c-62b4cb-2b2d1f-f1ebe9?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