Color

#286bbd

#286bbd
hex#286bbd
rgbrgb(40, 107, 189)
hslhsl(213, 65%, 45%)
oklchoklch(0.529 0.145 255.6)
Closest name: Campanula (#3473b7)Relative luminance 0.1464

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd7a28

#28b6bd · #3028bd

#bd286b · #6bbd28

Split-complementary

Open in tool →

#bd3028 · #b6bd28

#bd28b6 · #bd7a28 · #28bd30

Contrast

#286bbd as textRatioAAAA largeAAAFix
Aaon white
5.35:1passpassfail
  • AAA: use #21589c as the text (7.14:1)
Aaon black
3.93:1failpassfail
  • AA: use #2c75ce as the text (4.54:1)
  • AAA: use #5f98dd as the text (7.02:1)
  • AA: or shift the background to #ededed (4.57:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/286bbd-9ca9c4-df584e-1f202d-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