Color

#2f37da

#2f37da
hex#2f37da
rgbrgb(47, 55, 218)
hslhsl(237, 70%, 52%)
oklchoklch(0.46 0.239 270.2)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.084

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dad22f

#2f8dda · #7c2fda

#da2f37 · #37da2f

Split-complementary

Open in tool →

#da7c2f · #8dda2f

#da2f8d · #dad22f · #2fda7c

Contrast

#2f37da as textRatioAAAA largeAAAFix
Aaon white
7.84:1passpasspassPasses AAA — no fix needed.
Aaon black
2.68:1failfailfail
  • AA: use #6369e3 as the text (4.66:1)
  • AAA: use #8a8fea as the text (7.2:1)
  • AA: or shift the background to #c7c7c7 (4.64:1)
  • AAA: or shift the background to #f2f2f2 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f37da 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

#2f37da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f37da
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 #2f37da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f37da-9f9cc4-df924e-251f2d-e9edf1?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