Color

#042ccd

#042ccd
hex#042ccd
rgbrgb(4, 44, 205)
hslhsl(228, 96%, 41%)
oklchoklch(0.418 0.242 264.4)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0623

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cda504

#0491cd · #4004cd

#cd042c · #2ccd04

Split-complementary

Open in tool →

#cd4004 · #91cd04

#cd0491 · #cda504 · #04cd40

Contrast

#042ccd as textRatioAAAA largeAAAFix
Aaon white
9.35:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #4166fb as the text (4.52:1)
  • AAA: use #738efc as the text (7:1)
  • AA: or shift the background to #b5b5b5 (4.56:1)
  • AAA: or shift the background to #e0e0e0 (7.08:1)

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

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

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

tool url/palettes/new/042ccd-9c9fc4-df7c4e-231f2d-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