Color

#1a171c

#1a171c
hex#1a171c
rgbrgb(26, 23, 28)
hslhsl(276, 10%, 10%)
oklchoklch(0.21 0.011 312)
Closest name: Violet Void (#1a161d)Relative luminance 0.0092

Colors that go with #1a171c

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 #1a171c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#191c17

#17171c · #1c171c

#1c1a17 · #171c1a

Split-complementary

Open in tool →

#1c1c17 · #171c17

#1c1717 · #191c17 · #171c1c

Contrast

#1a171c as textRatioAAAA largeAAAFix
Aaon white
17.75:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #7f7089 as the text (4.58:1)
  • AAA: use #9e92a5 as the text (7.11:1)
  • AA: or shift the background to #828282 (4.62:1)
  • AAA: or shift the background to #a3a3a3 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a171c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1a171c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a171c
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 #1a171c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a171c-b99cc4-bfcb62-2d1f2d-eae9f1?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