Color

#285acc

#285acc
hex#285acc
rgbrgb(40, 90, 204)
hslhsl(222, 67%, 48%)
oklchoklch(0.504 0.185 263.4)
Closest name: Denim (#1560bd)Relative luminance 0.1212

Colors that go with #285acc

Charcoal, Sea Green 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cc9b28

#28accc · #4928cc

#cc285a · #5acc28

Split-complementary

Open in tool →

#cc4928 · #accc28

#cc28ac · #cc9b28 · #28cc49

Contrast

#285acc as textRatioAAAA largeAAAFix
Aaon white
6.13:1passpassfail
  • AAA: use #2450b7 as the text (7.23:1)
Aaon black
3.42:1failpassfail
  • AA: use #4471da as the text (4.62:1)
  • AAA: use #7294e3 as the text (7.06:1)
  • AA: or shift the background to #dedede (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #285acc as the background.

Brands using this color

Fonts for this mood

#285acc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #285acc
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 #285acc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/285acc-9ca3c4-df6e4e-211f2d-e9eff1?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