Color

#287180

#287180
hex#287180
rgbrgb(40, 113, 128)
hslhsl(190, 52%, 33%)
oklchoklch(0.51 0.074 213.9)
Closest name: Astral (#376f89)Relative luminance 0.1382

Colors that go with #287180

Charcoal, Rust and Amber 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 #287180

Tints & shades

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

Harmonies

Complementary

Open in tool →

#803728

#288063 · #284680

#802871 · #718028

Split-complementary

Open in tool →

#802846 · #806328

#632880 · #803728 · #468028

Contrast

#287180 as textRatioAAAA largeAAAFix
Aaon white
5.58:1passpassfail
  • AAA: use #22606d as the text (7.09:1)
Aaon black
3.76:1failpassfail
  • AA: use #2d7f8f as the text (4.54:1)
  • AAA: use #3ba5ba as the text (7.28:1)
  • AA: or shift the background to #e8e8e8 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #287180 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

#287180 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #287180
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 #287180 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/287180-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