Color

#2f43da

#2f43da
hex#2f43da
rgbrgb(47, 67, 218)
hslhsl(233, 70%, 52%)
oklchoklch(0.478 0.228 269.1)
Closest name: Blurple (#5539cc)Relative luminance 0.0968

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dac62f

#2f99da · #712fda

#da2f43 · #43da2f

Split-complementary

Open in tool →

#da712f · #99da2f

#da2f99 · #dac62f · #2fda71

Contrast

#2f43da as textRatioAAAA largeAAAFix
Aaon white
7.15:1passpasspassPasses AAA — no fix needed.
Aaon black
2.94:1failfailfail
  • AA: use #5a6ae2 as the text (4.59:1)
  • AAA: use #8691ea as the text (7.25:1)
  • AA: or shift the background to #cfcfcf (4.59:1)
  • AAA: or shift the background to #ffffff (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f43da 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

#2f43da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f43da
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 #2f43da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f43da-9c9cc4-df884e-241f2d-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