Color

#1842cd

#1842cd
hex#1842cd
rgbrgb(24, 66, 205)
hslhsl(226, 79%, 45%)
oklchoklch(0.455 0.218 264.9)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.085

Colors that go with #1842cd

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 →

#cda318

#189dcd · #4818cd

#cd1842 · #42cd18

Split-complementary

Open in tool →

#cd4818 · #9dcd18

#cd189d · #cda318 · #18cd48

Contrast

#1842cd as textRatioAAAA largeAAAFix
Aaon white
7.78:1passpasspassPasses AAA — no fix needed.
Aaon black
2.7:1failfailfail
  • AA: use #486eea as the text (4.69:1)
  • AAA: use #7692ef as the text (7.13:1)
  • AA: or shift the background to #c7c7c7 (4.6:1)
  • AAA: or shift the background to #f5f5f5 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1842cd as the background.

Brands using this color

Fonts for this mood

#1842cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1842cd
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 #1842cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1842cd-9ca1c4-df774e-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