Color

#171b03

#171b03
hex#171b03
rgbrgb(23, 27, 3)
hslhsl(70, 80%, 6%)
oklchoklch(0.211 0.043 117.7)
Closest name: Noir Mystique (#1f180a)Relative luminance 0.0097

Colors that go with #171b03

Blue Violet, Charcoal and Royal 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 →

#07031c

#1c1303 · #0b1c03

#03171c · #1c0317

Split-complementary

Open in tool →

#030b1c · #13031c

#031c13 · #07031c · #1c030b

Contrast

#171b03 as textRatioAAAA largeAAAFix
Aaon white
17.58:1passpasspassPasses AAA — no fix needed.
Aaon black
1.19:1failfailfail
  • AA: use #6a7c0e as the text (4.5:1)
  • AAA: use #89a112 as the text (7.17:1)
  • AA: or shift the background to #828282 (4.57:1)
  • AAA: or shift the background to #a6a6a6 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #171b03 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#171b03 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #171b03
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 #171b03 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/171b03-b6bea2-4e7cdf-252d1f-f1efe9?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