Color

#286aa4

#286aa4
hex#286aa4
rgbrgb(40, 106, 164)
hslhsl(208, 61%, 40%)
oklchoklch(0.511 0.113 248.6)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1344

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a46228

#28a4a0 · #282ca4

#a4286a · #6aa428

Split-complementary

Open in tool →

#a4282c · #a4a028

#a028a4 · #a46228 · #2ca428

Contrast

#286aa4 as textRatioAAAA largeAAAFix
Aaon white
5.69:1passpassfail
  • AAA: use #225a8c as the text (7.22:1)
Aaon black
3.69:1failpassfail
  • AA: use #2e7abd as the text (4.63:1)
  • AAA: use #579bd6 as the text (7.06:1)
  • AA: or shift the background to #e6e6e6 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #286aa4 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#286aa4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #286aa4
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 #286aa4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/286aa4-9cadc4-df4e51-1f212d-e9f1f1?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