Color

#286bfb

#286bfb
hex#286bfb
rgbrgb(40, 107, 251)
hslhsl(221, 96%, 57%)
oklchoklch(0.575 0.225 262.7)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1793

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbb828

#28d4fb · #4f28fb

#fb286b · #6bfb28

Split-complementary

Open in tool →

#fb4f28 · #d4fb28

#fb28d4 · #fbb828 · #28fb4f

Contrast

#286bfb as textRatioAAAA largeAAAFix
Aaon white
4.58:1passpassfail
  • AAA: use #0449dc as the text (7.02:1)
Aaon black
4.59:1passpassfail
  • AAA: use #6494fc as the text (7.18:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/286bfb-9ca4c4-df6b4e-211f2d-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