Color

#2b42da

#2b42da
hex#2b42da
rgbrgb(43, 66, 218)
hslhsl(232, 70%, 51%)
oklchoklch(0.474 0.23 268.3)
Closest name: Denim (#2243b6)Relative luminance 0.0947

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dac22b

#2b99da · #6b2bda

#da2b42 · #42da2b

Split-complementary

Open in tool →

#da6b2b · #99da2b

#da2b99 · #dac22b · #2bda6b

Contrast

#2b42da as textRatioAAAA largeAAAFix
Aaon white
7.26:1passpasspassPasses AAA — no fix needed.
Aaon black
2.89:1failfailfail
  • AA: use #5a6ce2 as the text (4.68:1)
  • AAA: use #818fe9 as the text (7.04:1)
  • 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 #2b42da 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

#2b42da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b42da
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 #2b42da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b42da-9c9dc4-df864e-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