Color

#286bf0

#286bf0
hex#286bf0
rgbrgb(40, 107, 240)
hslhsl(220, 87%, 55%)
oklchoklch(0.567 0.212 262.1)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1726

Colors that go with #286bf0

Charcoal, Crimson and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f0ae28

#28cff0 · #4a28f0

#f0286b · #6bf028

Split-complementary

Open in tool →

#f04a28 · #cff028

#f028cf · #f0ae28 · #28f04a

Contrast

#286bf0 as textRatioAAAA largeAAAFix
Aaon white
4.72:1passpassfail
  • AAA: use #0e4ecd as the text (7.02:1)
Aaon black
4.45:1failpassfail
  • AA: use #2d6ef0 as the text (4.6:1)
  • AAA: use #6696f4 as the text (7.23:1)
  • AA: or shift the background to #fafafa (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 #286bf0 as the background.

Brands using this color

Fonts for this mood

#286bf0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #286bf0
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #286bf0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/286bf0-9ca5c4-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