Color

#170b18

#170b18
hex#170b18
rgbrgb(23, 11, 24)
hslhsl(295, 37%, 7%)
oklchoklch(0.173 0.032 324.1)
Closest name: Noir Fiction (#150811)Relative luminance 0.0049

Colors that go with #170b18

Charcoal, Dark Olive Green and Sea Green 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 #170b18

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0c180b

#110b18 · #180b13

#18170b · #0b1817

Split-complementary

Open in tool →

#13180b · #0b1811

#18110b · #0c180b · #0b1318

Contrast

#170b18 as textRatioAAAA largeAAAFix
Aaon white
19.13:1passpasspassPasses AAA — no fix needed.
Aaon black
1.1:1failfailfail
  • AA: use #a954b0 as the text (4.58:1)
  • AAA: use #c081c5 as the text (7.19:1)
  • AA: or shift the background to #7d7d7d (4.65:1)
  • AAA: or shift the background to #9e9e9e (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 #170b18 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

#170b18 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #170b18
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 #170b18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/170b18-c19fbf-9dcb62-2d1f28-ede9f1?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