Color

#175159

#175159
hex#175159
rgbrgb(23, 81, 89)
hslhsl(187, 59%, 22%)
oklchoklch(0.402 0.059 208.2)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0679

Colors that go with #175159

Crimson, Steel Blue and 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 →

#591f17

#175940 · #173059

#591751 · #515917

Split-complementary

Open in tool →

#591730 · #594017

#401759 · #591f17 · #305917

Contrast

#175159 as textRatioAAAA largeAAAFix
Aaon white
8.91:1passpasspassPasses AAA — no fix needed.
Aaon black
2.36:1failfailfail
  • AA: use #25828e as the text (4.66:1)
  • AAA: use #2fa7b6 as the text (7.32:1)
  • AA: or shift the background to #bababa (4.59:1)
  • AAA: or shift the background to #e6e6e6 (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 #175159 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

#175159 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #175159
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 #175159 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/175159-a2b8be-df4e83-1f262d-e9f1ee?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