Color

#175cb5

#175cb5
hex#175cb5
rgbrgb(23, 92, 181)
hslhsl(214, 77%, 40%)
oklchoklch(0.486 0.156 257.2)
Closest name: Denim (#1560bd)Relative luminance 0.1117

Colors that go with #175cb5

Charcoal, Crimson 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 →

#b57017

#17aab5 · #2217b5

#b5175c · #5cb517

Split-complementary

Open in tool →

#b52217 · #aab517

#b517aa · #b57017 · #17b522

Contrast

#175cb5 as textRatioAAAA largeAAAFix
Aaon white
6.49:1passpassfail
  • AAA: use #1657ac as the text (7.02:1)
Aaon black
3.23:1failpassfail
  • AA: use #1d72e2 as the text (4.56:1)
  • AAA: use #5897e9 as the text (7.02:1)
  • AA: or shift the background to #d9d9d9 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #175cb5 as the background.

Brands using this color

Fonts for this mood

#175cb5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #175cb5
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 #175cb5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/175cb5-9ca9c4-df5a4e-1f1f2d-e9f0f1?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