Color

#173a29

#173a29
hex#173a29
rgbrgb(23, 58, 41)
hslhsl(151, 43%, 16%)
oklchoklch(0.317 0.051 160.3)
Closest name: Queen of Trees (#1c401f)Relative luminance 0.0337

Colors that go with #173a29

Sea Green, Sienna and Teal 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 →

#3a1728

#173a18 · #173a3a

#29173a · #3a2917

Split-complementary

Open in tool →

#3a173a · #3a1817

#18173a · #3a1728 · #3a3a17

Contrast

#173a29 as textRatioAAAA largeAAAFix
Aaon white
12.55:1passpasspassPasses AAA — no fix needed.
Aaon black
1.67:1failfailfail
  • AA: use #34835d as the text (4.55:1)
  • AAA: use #43a877 as the text (7.11:1)
  • AA: or shift the background to #9c9c9c (4.57:1)
  • AAA: or shift the background to #c2c2c2 (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 #173a29 as the background.

Brands using this color

Fonts for this mood

#173a29 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #173a29
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 #173a29 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/173a29-a2beb4-d459d0-1f2d2c-e9f1ea?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