Color

#286efb

#286efb
hex#286efb
rgbrgb(40, 110, 251)
hslhsl(220, 96%, 57%)
oklchoklch(0.581 0.222 262.2)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1857

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbb428

#28d8fb · #4b28fb

#fb286e · #6efb28

Split-complementary

Open in tool →

#fb4b28 · #d8fb28

#fb28d8 · #fbb428 · #28fb4b

Contrast

#286efb as textRatioAAAA largeAAAFix
Aaon white
4.46:1failpassfail
  • AA: use #236bfb as the text (4.6:1)
  • AAA: use #044bd7 as the text (7.02:1)
  • AA: or shift the background to #050505 (4.57:1)
Aaon black
4.71:1passpassfail
  • AAA: use #5f93fc as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #286efb as the background.

Brands using this color

Fonts for this mood

#286efb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #286efb
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 #286efb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/286efb-9ca5c4-df694e-211f2d-e9f0f1?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