Color

#285ef0

#285ef0
hex#285ef0
rgbrgb(40, 94, 240)
hslhsl(224, 87%, 55%)
oklchoklch(0.542 0.227 264.4)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1475

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f0bb28

#28c1f0 · #5728f0

#f0285e · #5ef028

Split-complementary

Open in tool →

#f05728 · #c1f028

#f028c1 · #f0bb28 · #28f057

Contrast

#285ef0 as textRatioAAAA largeAAAFix
Aaon white
5.32:1passpassfail
Aaon black
3.95:1failpassfail
  • AA: use #3b6cf1 as the text (4.6:1)
  • AAA: use #7093f5 as the text (7.18:1)
  • AA: or shift the background to #ededed (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #285ef0 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#285ef0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #285ef0
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 #285ef0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/285ef0-9ca2c4-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