Color

#2f40da

#2f40da
hex#2f40da
rgbrgb(47, 64, 218)
hslhsl(234, 70%, 52%)
oklchoklch(0.473 0.231 269.4)
Closest name: Blurple (#5539cc)Relative luminance 0.0933

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dac92f

#2f96da · #732fda

#da2f40 · #40da2f

Split-complementary

Open in tool →

#da732f · #96da2f

#da2f96 · #dac92f · #2fda73

Contrast

#2f40da as textRatioAAAA largeAAAFix
Aaon white
7.33:1passpasspassPasses AAA — no fix needed.
Aaon black
2.87:1failfailfail
  • AA: use #5a68e2 as the text (4.51:1)
  • AAA: use #8690ea as the text (7.19:1)
  • AA: or shift the background to #cccccc (4.56:1)
  • AAA: or shift the background to #fafafa (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f40da 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

#2f40da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f40da
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 #2f40da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f40da-9d9cc4-df8a4e-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