Color

#1d282a

#1d282a
hex#1d282a
rgbrgb(29, 40, 42)
hslhsl(189, 18%, 14%)
oklchoklch(0.267 0.016 209.9)
Closest name: Black Pearl (#1e272c)Relative luminance 0.0195

Colors that go with #1d282a

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 →

#2a1f1d

#1d2a26 · #1d222a

#2a1d28 · #282a1d

Split-complementary

Open in tool →

#2a1d22 · #2a261d

#261d2a · #2a1f1d · #222a1d

Contrast

#1d282a as textRatioAAAA largeAAAFix
Aaon white
15.12:1passpasspassPasses AAA — no fix needed.
Aaon black
1.39:1failfailfail
  • AA: use #5a7b81 as the text (4.58:1)
  • AAA: use #789ba1 as the text (7:1)
  • AA: or shift the background to #8f8f8f (4.67:1)
  • AAA: or shift the background to #b3b3b3 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d282a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1d282a reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d282a
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 #1d282a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d282a-a2b7be-df4e7e-1f252d-e9f1ee?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