Color

#286ca4

#286ca4
hex#286ca4
rgbrgb(40, 108, 164)
hslhsl(207, 61%, 40%)
oklchoklch(0.516 0.112 247.2)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1386

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a46028

#28a49e · #282ea4

#a4286c · #6ca428

Split-complementary

Open in tool →

#a4282e · #a49e28

#9e28a4 · #a46028 · #2ea428

Contrast

#286ca4 as textRatioAAAA largeAAAFix
Aaon white
5.57:1passpassfail
  • AAA: use #225c8c as the text (7.05:1)
Aaon black
3.77:1failpassfail
  • AA: use #2d7ab9 as the text (4.6:1)
  • AAA: use #579dd6 as the text (7.2:1)
  • AA: or shift the background to #e8e8e8 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #286ca4 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

#286ca4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #286ca4
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 #286ca4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/286ca4-9cadc4-df4e53-1f212d-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