Color

#1d282f

#1d282f
hex#1d282f
rgbrgb(29, 40, 47)
hslhsl(203, 24%, 15%)
oklchoklch(0.27 0.02 236.4)
Closest name: Black Pearl (#1e272c)Relative luminance 0.0198

Colors that go with #1d282f

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 →

#2f241d

#1d2f2d · #1d1f2f

#2f1d28 · #282f1d

Split-complementary

Open in tool →

#2f1d1f · #2f2d1d

#2d1d2f · #2f241d · #1f2f1d

Contrast

#1d282f as textRatioAAAA largeAAAFix
Aaon white
15.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #57798e as the text (4.53:1)
  • AAA: use #7a9aae as the text (7.06:1)
  • AA: or shift the background to #8f8f8f (4.65:1)
  • AAA: or shift the background to #b3b3b3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d282f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1d282f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d282f
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 #1d282f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d282f-9cb0c4-df4e5d-1f222d-e9f1f0?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