Color

#042cdc

#042cdc
hex#042cdc
rgbrgb(4, 44, 220)
hslhsl(229, 96%, 44%)
oklchoklch(0.436 0.259 264.4)
Closest name: Brutally Blue (#0022dd)Relative luminance 0.0699

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dcb404

#0498dc · #4904dc

#dc042c · #2cdc04

Split-complementary

Open in tool →

#dc4904 · #98dc04

#dc0498 · #dcb404 · #04dc49

Contrast

#042cdc as textRatioAAAA largeAAAFix
Aaon white
8.75:1passpasspassPasses AAA — no fix needed.
Aaon black
2.4:1failfailfail
  • AA: use #4667fb as the text (4.59:1)
  • AAA: use #7890fc as the text (7.19:1)
  • AA: or shift the background to #bababa (4.51:1)
  • AAA: or shift the background to #e6e6e6 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #042cdc as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#042cdc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #042cdc
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 #042cdc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/042cdc-9c9fc4-df7e4e-231f2d-e9eef1?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