Color

#173b38

#173b38
hex#173b38
rgbrgb(23, 59, 56)
hslhsl(175, 44%, 16%)
oklchoklch(0.325 0.042 188)
Closest name: Botanical Night (#12403c)Relative luminance 0.036

Colors that go with #173b38

Crimson, 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 →

#3b171a

#173b26 · #172c3b

#38173b · #3b3817

Split-complementary

Open in tool →

#3b172c · #3b2617

#26173b · #3b171a · #2c3b17

Contrast

#173b38 as textRatioAAAA largeAAAFix
Aaon white
12.22:1passpasspassPasses AAA — no fix needed.
Aaon black
1.72:1failfailfail
  • AA: use #32817a as the text (4.56:1)
  • AAA: use #40a59d as the text (7.09:1)
  • AA: or shift the background to #9e9e9e (4.56:1)
  • AAA: or shift the background to #c4c4c4 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #173b38 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#173b38 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #173b38
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 #173b38 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/173b38-a2bdbe-d4599f-1f282d-e9f1ed?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