Color

#175cfd

#175cfd
hex#175cfd
rgbrgb(23, 92, 253)
hslhsl(222, 98%, 54%)
oklchoklch(0.546 0.248 263.2)
Closest name: Blue Ribbon (#0066ff)Relative luminance 0.1493

Colors that go with #175cfd

Charcoal, Crimson and Amber 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 →

#fdb817

#17cffd · #4517fd

#fd175c · #5cfd17

Split-complementary

Open in tool →

#fd4517 · #cffd17

#fd17cf · #fdb817 · #17fd45

Contrast

#175cfd as textRatioAAAA largeAAAFix
Aaon white
5.27:1passpassfail
  • AAA: use #0246e3 as the text (7.03:1)
Aaon black
3.99:1failpassfail
  • AA: use #2b6afd as the text (4.58:1)
  • AAA: use #6895fd as the text (7.31:1)
  • AA: or shift the background to #ededed (4.5:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/175cfd-9ca3c4-df6e4e-211f2d-e9eff1?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