Color

#287281

#287281
hex#287281
rgbrgb(40, 114, 129)
hslhsl(190, 53%, 33%)
oklchoklch(0.513 0.075 213.7)
Closest name: Astral (#376f89)Relative luminance 0.1407

Colors that go with #287281

Charcoal, Rust and Cobalt 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.

Real palettes that use #287281

Tints & shades

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

Harmonies

Complementary

Open in tool →

#813628

#288163 · #284581

#812872 · #728128

Split-complementary

Open in tool →

#812845 · #816328

#632881 · #813628 · #458128

Contrast

#287281 as textRatioAAAA largeAAAFix
Aaon white
5.51:1passpassfail
Aaon black
3.81:1failpassfail
  • AA: use #2c8090 as the text (4.6:1)
  • AAA: use #38a2b7 as the text (7.02:1)
  • AA: or shift the background to #ebebeb (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 #287281 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

#287281 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #287281
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 #287281 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/287281-a2b6be-df4e7c-1f252d-e9f1ef?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