Color

#16231b

#16231b
hex#16231b
rgbrgb(22, 35, 27)
hslhsl(143, 23%, 11%)
oklchoklch(0.241 0.024 157.1)
Closest name: Underworld (#1e231c)Relative luminance 0.0145

Colors that go with #16231b

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 →

#23161e

#172316 · #162321

#1b1623 · #231b16

Split-complementary

Open in tool →

#211623 · #231617

#161723 · #23161e · #232116

Contrast

#16231b as textRatioAAAA largeAAAFix
Aaon white
16.27:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #518163 as the text (4.67:1)
  • AAA: use #6ca381 as the text (7.19:1)
  • 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 #16231b 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

#16231b reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #16231b
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 #16231b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/16231b-a2beb0-c859d4-1f2d2b-eaf1e9?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