Color

#1804cd

#1804cd
hex#1804cd
rgbrgb(24, 4, 205)
hslhsl(246, 96%, 41%)
oklchoklch(0.391 0.26 267.2)
Closest name: mediumblue (#0000cd)Relative luminance 0.0469

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b9cd04

#0454cd · #7d04cd

#cd1804 · #04cd18

Split-complementary

Open in tool →

#cd7d04 · #54cd04

#cd0454 · #b9cd04 · #04cd7d

Contrast

#1804cd as textRatioAAAA largeAAAFix
Aaon white
10.84:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #6f5ffc as the text (4.72:1)
  • AAA: use #9387fd as the text (7.12:1)
  • AA: or shift the background to #a8a8a8 (4.56:1)
  • AAA: or shift the background to #d1d1d1 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1804cd as the background.

Brands using this color

Fonts for this mood

#1804cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1804cd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1804cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1804cd-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