Color

#286a8a

#286a8a
hex#286a8a
rgbrgb(40, 106, 138)
hslhsl(200, 55%, 35%)
oklchoklch(0.497 0.083 233.1)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1259

Colors that go with #286a8a

Charcoal, Crimson and Royal Blue 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 →

#8a4928

#288a7a · #28398a

#8a286a · #6a8a28

Split-complementary

Open in tool →

#8a2839 · #8a7a28

#7a288a · #8a4928 · #398a28

Contrast

#286a8a as textRatioAAAA largeAAAFix
Aaon white
5.97:1passpassfail
  • AAA: use #245e7b as the text (7.09:1)
Aaon black
3.52:1failpassfail
  • AA: use #2f7ca2 as the text (4.53:1)
  • AAA: use #499fca as the text (7.1:1)
  • AA: or shift the background to #e0e0e0 (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 #286a8a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#286a8a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #286a8a
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 #286a8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/286a8a-9cb2c4-df4e64-1f232d-e9f1f0?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