Color

#1c49ce

#1c49ce
hex#1c49ce
rgbrgb(28, 73, 206)
hslhsl(225, 76%, 46%)
oklchoklch(0.47 0.211 264.7)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.0947

Colors that go with #1c49ce

Charcoal, Sea Green and Steel 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 →

#cea21c

#1ca2ce · #491cce

#ce1c49 · #49ce1c

Split-complementary

Open in tool →

#ce491c · #a2ce1c

#ce1ca2 · #cea21c · #1cce49

Contrast

#1c49ce as textRatioAAAA largeAAAFix
Aaon white
7.26:1passpasspassPasses AAA — no fix needed.
Aaon black
2.89:1failfailfail
  • AA: use #476fe6 as the text (4.68:1)
  • AAA: use #7492ec as the text (7.07:1)
  • AA: or shift the background to #cccccc (4.52:1)
  • AAA: or shift the background to #fcfcfc (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 #1c49ce as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1c49ce reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c49ce
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 #1c49ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c49ce-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