Color

#2856eb

#2856eb
hex#2856eb
rgbrgb(40, 86, 235)
hslhsl(226, 83%, 54%)
oklchoklch(0.523 0.229 265.4)
Closest name: Blue Ribbon (#0066ff)Relative luminance 0.131

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ebbe28

#28b7eb · #5c28eb

#eb2856 · #56eb28

Split-complementary

Open in tool →

#eb5c28 · #b7eb28

#eb28b7 · #ebbe28 · #28eb5c

Contrast

#2856eb as textRatioAAAA largeAAAFix
Aaon white
5.8:1passpassfail
  • AAA: use #1544e0 as the text (7.15:1)
Aaon black
3.62:1failpassfail
  • AA: use #446cee as the text (4.63:1)
  • AAA: use #7391f2 as the text (7.06:1)
  • AA: or shift the background to #e3e3e3 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2856eb as the background.

Brands using this color

Fonts for this mood

#2856eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2856eb
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 #2856eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2856eb-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