Color

#1705bd

#1705bd
hex#1705bd
rgbrgb(23, 5, 189)
hslhsl(246, 95%, 38%)
oklchoklch(0.369 0.244 267.6)
Closest name: mediumblue (#0000cd)Relative luminance 0.0396

Colors that go with #1705bd

Charcoal, Crimson and Cornflower 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 →

#abbd05

#054ebd · #7305bd

#bd1705 · #05bd17

Split-complementary

Open in tool →

#bd7305 · #4ebd05

#bd054e · #abbd05 · #05bd73

Contrast

#1705bd as textRatioAAAA largeAAAFix
Aaon white
11.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.79:1failfailfail
  • AA: use #6b5bfb as the text (4.51:1)
  • AAA: use #9388fc as the text (7.17:1)
  • AA: or shift the background to #a1a1a1 (4.53:1)
  • AAA: or shift the background to #c9c9c9 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1705bd as the background.

Brands using this color

Fonts for this mood

#1705bd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1705bd
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 #1705bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1705bd-a59cc4-dfa74e-271f2d-e9ecf1?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