Color

#1749de

#1749de
hex#1749de
rgbrgb(23, 73, 222)
hslhsl(225, 81%, 48%)
oklchoklch(0.484 0.231 264.4)
Closest name: C64 Blue (#003aff)Relative luminance 0.1022

Colors that go with #1749de

Charcoal, Amber 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 →

#deac17

#17acde · #4917de

#de1749 · #49de17

Split-complementary

Open in tool →

#de4917 · #acde17

#de17ac · #deac17 · #17de49

Contrast

#1749de as textRatioAAAA largeAAAFix
Aaon white
6.9:1passpassfail
  • AAA: use #1747d9 as the text (7.14:1)
Aaon black
3.04:1failpassfail
  • AA: use #426ceb as the text (4.58:1)
  • AAA: use #7594f0 as the text (7.25:1)
  • AA: or shift the background to #d1d1d1 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1749de as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1749de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1749de
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 #1749de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1749de-9ca1c4-df754e-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