Color

#2b56da

#2b56da
hex#2b56da
rgbrgb(43, 86, 218)
hslhsl(225, 70%, 51%)
oklchoklch(0.509 0.207 265.5)
Closest name: Arcane Brew (#5260e1)Relative luminance 0.1223

Tints & shades

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

Harmonies

Complementary

Open in tool →

#daae2b

#2baeda · #562bda

#da2b56 · #56da2b

Split-complementary

Open in tool →

#da562b · #aeda2b

#da2bae · #daae2b · #2bda56

Contrast

#2b56da as textRatioAAAA largeAAAFix
Aaon white
6.09:1passpassfail
  • AAA: use #234cc7 as the text (7.17:1)
Aaon black
3.45:1failpassfail
  • AA: use #496edf as the text (4.58:1)
  • AAA: use #7994e7 as the text (7.2:1)
  • AA: or shift the background to #dedede (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b56da as the background.

Brands using this color

Fonts for this mood

#2b56da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b56da
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 #2b56da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b56da-9ca1c4-df754e-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