Color

#211a2e

#211a2e
hex#211a2e
rgbrgb(33, 26, 46)
hslhsl(261, 28%, 14%)
oklchoklch(0.236 0.039 299.5)
Closest name: Eclipse Elixir (#1f2133)Relative luminance 0.0126

Colors that go with #211a2e

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 →

#272e1a

#1a1d2e · #2b1a2e

#2e211a · #1a2e21

Split-complementary

Open in tool →

#2e2b1a · #1d2e1a

#2e1a1d · #272e1a · #1a2e2b

Contrast

#211a2e as textRatioAAAA largeAAAFix
Aaon white
16.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #8069ab as the text (4.53:1)
  • AAA: use #9e8dbf as the text (7.02:1)
  • AA: or shift the background to #858585 (4.55:1)
  • AAA: or shift the background to #a8a8a8 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #211a2e as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#211a2e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #211a2e
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 #211a2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/211a2e-af9cc4-dfcb4e-2a1f2d-e9eaf1?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