Color

#285ceb

#285ceb
hex#285ceb
rgbrgb(40, 92, 235)
hslhsl(224, 83%, 54%)
oklchoklch(0.534 0.223 264.5)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.141

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ebb728

#28beeb · #5628eb

#eb285c · #5ceb28

Split-complementary

Open in tool →

#eb5628 · #beeb28

#eb28be · #ebb728 · #28eb56

Contrast

#285ceb as textRatioAAAA largeAAAFix
Aaon white
5.5:1passpassfail
  • AAA: use #1448d7 as the text (7.15:1)
Aaon black
3.82:1failpassfail
  • AA: use #406eed as the text (4.67:1)
  • AAA: use #7395f2 as the text (7.31:1)
  • AA: or shift the background to #ebebeb (4.61:1)

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

Brands using this color

Palettes built around it

Fonts for this mood

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

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

tool url/palettes/new/285ceb-9ca2c4-df724e-221f2d-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