Color

#211735

#211735
hex#211735
rgbrgb(33, 23, 53)
hslhsl(260, 39%, 15%)
oklchoklch(0.234 0.057 297.2)
Closest name: Dark Knight (#151931)Relative luminance 0.0119

Colors that go with #211735

Charcoal, Dark Olive Green and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b3517

#171c35 · #301735

#352117 · #173521

Split-complementary

Open in tool →

#353017 · #1c3517

#35171c · #2b3517 · #173530

Contrast

#211735 as textRatioAAAA largeAAAFix
Aaon white
16.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #8367bc as the text (4.63:1)
  • AAA: use #a08acc as the text (7:1)
  • AA: or shift the background to #858585 (4.59:1)
  • AAA: or shift the background to #a8a8a8 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #211735 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#211735 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #211735
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #211735 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/211735-ae9cc4-dfc94e-2a1f2d-e9ebf1?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