Color

#173b2d

#173b2d
hex#173b2d
rgbrgb(23, 59, 45)
hslhsl(157, 44%, 16%)
oklchoklch(0.321 0.049 165.5)
Closest name: Botanical Night (#12403c)Relative luminance 0.035

Colors that go with #173b2d

Firebrick, Sea Green and Sienna 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 →

#3b1725

#173b1b · #17373b

#2d173b · #3b2d17

Split-complementary

Open in tool →

#3b1737 · #3b1b17

#1b173b · #3b1725 · #373b17

Contrast

#173b2d as textRatioAAAA largeAAAFix
Aaon white
12.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.7:1failfailfail
  • AA: use #338465 as the text (4.63:1)
  • AAA: use #42a981 as the text (7.22:1)
  • AA: or shift the background to #9e9e9e (4.61:1)
  • AAA: or shift the background to #c4c4c4 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #173b2d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#173b2d reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #173b2d
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 #173b2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/173b2d-a2beb7-d459c4-1f2c2d-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