Color

#2f57da

#2f57da
hex#2f57da
rgbrgb(47, 87, 218)
hslhsl(226, 70%, 52%)
oklchoklch(0.512 0.205 266.1)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1248

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dab22f

#2fadda · #5d2fda

#da2f57 · #57da2f

Split-complementary

Open in tool →

#da5d2f · #adda2f

#da2fad · #dab22f · #2fda5d

Contrast

#2f57da as textRatioAAAA largeAAAFix
Aaon white
6.01:1passpassfail
  • AAA: use #244bcc as the text (7.11:1)
Aaon black
3.5:1failpassfail
  • AA: use #4d6fe0 as the text (4.67:1)
  • AAA: use #7992e7 as the text (7.08:1)
  • AA: or shift the background to #e0e0e0 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2f57da 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

#2f57da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2f57da
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 #2f57da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2f57da-9ca1c4-df774e-221f2d-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