Color

#10231d

#10231d
hex#10231d
rgbrgb(16, 35, 29)
hslhsl(161, 37%, 10%)
oklchoklch(0.238 0.028 171.5)
Closest name: Nightmare (#112211)Relative luminance 0.014

Colors that go with #10231d

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.

Real palettes that use #10231d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#231016

#102314 · #101f23

#1d1023 · #231d10

Split-complementary

Open in tool →

#23101f · #231410

#141023 · #231016 · #1f2310

Contrast

#10231d as textRatioAAAA largeAAAFix
Aaon white
16.4:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #3b816b as the text (4.54:1)
  • AAA: use #4da88b as the text (7.29:1)
  • AA: or shift the background to #878787 (4.57:1)
  • AAA: or shift the background to #ababab (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #10231d 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

#10231d reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #10231d
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 #10231d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/10231d-a2beb8-d459bb-1f2c2d-e9f1eb?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