Color

#231e2a

#231e2a
hex#231e2a
rgbrgb(35, 30, 42)
hslhsl(265, 17%, 14%)
oklchoklch(0.246 0.024 303.7)
Closest name: Eclipse Elixir (#1f2133)Relative luminance 0.0145

Colors that go with #231e2a

Charcoal, Amber and Blue 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 →

#252a1e

#1e1f2a · #291e2a

#2a231e · #1e2a23

Split-complementary

Open in tool →

#2a291e · #1f2a1e

#2a1e1f · #252a1e · #1e2a29

Contrast

#231e2a as textRatioAAAA largeAAAFix
Aaon white
16.27:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #7f6d97 as the text (4.54:1)
  • AAA: use #9e91b1 as the text (7.14:1)
  • AA: or shift the background to #878787 (4.53:1)
  • AAA: or shift the background to #ababab (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #231e2a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#231e2a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #231e2a
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 #231e2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/231e2a-b19cc4-dfd54e-2b1f2d-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