Color

#285bdc

#285bdc
hex#285bdc
rgbrgb(40, 91, 220)
hslhsl(223, 72%, 51%)
oklchoklch(0.519 0.205 264.1)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.131

Colors that go with #285bdc

Charcoal, Amber and 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 →

#dca928

#28b5dc · #4f28dc

#dc285b · #5bdc28

Split-complementary

Open in tool →

#dc4f28 · #b5dc28

#dc28b5 · #dca928 · #28dc4f

Contrast

#285bdc as textRatioAAAA largeAAAFix
Aaon white
5.8:1passpassfail
  • AAA: use #204fc5 as the text (7.03:1)
Aaon black
3.62:1failpassfail
  • AA: use #426fe0 as the text (4.58:1)
  • AAA: use #7394e8 as the text (7.13:1)
  • AA: or shift the background to #e3e3e3 (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 #285bdc as the background.

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/285bdc-9ca3c4-df704e-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