Color

#182135

#182135
hex#182135
rgbrgb(24, 33, 53)
hslhsl(221, 38%, 15%)
oklchoklch(0.25 0.04 265.1)
Closest name: Eclipse Elixir (#1f2133)Relative luminance 0.0154

Colors that go with #182135

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 →

#352c18

#182f35 · #1d1835

#351821 · #213518

Split-complementary

Open in tool →

#351d18 · #2f3518

#35182f · #352c18 · #18351d

Contrast

#182135 as textRatioAAAA largeAAAFix
Aaon white
16.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #5674b3 as the text (4.54:1)
  • AAA: use #8096c6 as the text (7.1:1)
  • AA: or shift the background to #8a8a8a (4.65:1)
  • AAA: or shift the background to #adadad (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #182135 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#182135 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #182135
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 #182135 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/182135-9ca4c4-df6b4e-211f2d-e9eff1?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