Color

#286d8a

#286d8a
hex#286d8a
rgbrgb(40, 109, 138)
hslhsl(198, 55%, 35%)
oklchoklch(0.505 0.082 229.5)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1322

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a4628

#288a77 · #283c8a

#8a286d · #6d8a28

Split-complementary

Open in tool →

#8a283c · #8a7728

#77288a · #8a4628 · #3c8a28

Contrast

#286d8a as textRatioAAAA largeAAAFix
Aaon white
5.76:1passpassfail
  • AAA: use #225d77 as the text (7.24:1)
Aaon black
3.64:1failpassfail
  • AA: use #2f80a2 as the text (4.73:1)
  • AAA: use #41a0c8 as the text (7.09:1)
  • AA: or shift the background to #e6e6e6 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #286d8a as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#286d8a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #286d8a
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 #286d8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/286d8a-9cb3c4-df4e69-1f232d-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