Color

#1748cf

#1748cf
hex#1748cf
rgbrgb(23, 72, 207)
hslhsl(224, 80%, 45%)
oklchoklch(0.467 0.214 264.1)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0932

Colors that go with #1748cf

Crimson, Medium Sea Green and Midnight 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.

Real palettes that use #1748cf

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#cf9e17

#17a4cf · #4217cf

#cf1748 · #48cf17

Split-complementary

Open in tool →

#cf4217 · #a4cf17

#cf17a4 · #cf9e17 · #17cf42

Contrast

#1748cf as textRatioAAAA largeAAAFix
Aaon white
7.33:1passpasspassPasses AAA — no fix needed.
Aaon black
2.86:1failfailfail
  • AA: use #3e6cea as the text (4.54:1)
  • AAA: use #7192ef as the text (7.06:1)
  • AA: or shift the background to #cccccc (4.57:1)
  • AAA: or shift the background to #fafafa (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1748cf 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

#1748cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1748cf
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 #1748cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1748cf-9ca2c4-df724e-221f2d-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